Call for Papers for the 27th International Conference on Intuitionistic Fuzzy Sets is now open!
Conference: 5–6 July 2024, Burgas, Bulgaria • EXTENDED DEADLINE for submissions: 15 APRIL 2024.
Conference: 5–6 July 2024, Burgas, Bulgaria • EXTENDED DEADLINE for submissions: 15 APRIL 2024.
User contributions for Vassia Atanassova
A user with 8,264 edits. Account created on 20 October 2008.
29 March 2023
- 17:5217:52, 29 March 2023 diff hist +488 N File:NIFS-29-1-056-064.pdf {{upload | description = InterCriteria Analysis applied to the Turkish Health and Social Protection datasets | author = Zlatko Yordanov, Veselina Bureva and Cengiz Kahraman | source = Notes on Intuitionistic Fuzzy Sets, Vol. 29, No. 1, pp. 56-64 | date = 2023 | license = | other-version = }} Category:PDF files current
- 17:5117:51, 29 March 2023 diff hist +103 N Issue:Nifs/29/1/56-64 Redirected page to Issue:InterCriteria Analysis applied to the Turkish Health and Social Protection datasets current Tag: New redirect
- 17:5017:50, 29 March 2023 diff hist +5,373 N Issue:InterCriteria Analysis applied to the Turkish Health and Social Protection datasets Created page with "{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title | title = InterCriteria Analysis applied to the Turkish Health and Social Protection datasets | shortcut = nifs/29/1/56-64 }} {{issue/author | author = Zlatko Yordanov | institution = Laboratory of Intelligent Systems, “Prof. Dr. Assen Zlatarov” Un..." current
- 16:4616:46, 29 March 2023 diff hist +327 Notes on Intuitionistic Fuzzy Sets/29/1 No edit summary
14 March 2023
- 10:0510:05, 14 March 2023 diff hist −28 m Notes on Intuitionistic Fuzzy Sets/Board Iona University current
13 March 2023
- 10:5210:52, 13 March 2023 diff hist +101 File:NIFS-29-1-046-055.pdf →Summary current
- 10:5210:52, 13 March 2023 diff hist +396 N File:NIFS-29-1-046-055.pdf == Summary == {{upload | description = | author = Lilija Atanassova | source = Notes on Intuitionistic Fuzzy Sets, Volume 29 (2023), Number 1, pages 46-55 | date = 2023 | license = | other-version = }} Category:PDF files
- 10:5210:52, 13 March 2023 diff hist 0 Issue:A new intuitionistic fuzzy implication and the negation, conjunctions and disjunctions generated by it No edit summary current
- 10:5010:50, 13 March 2023 diff hist +2,007 N Issue:A new intuitionistic fuzzy implication and the negation, conjunctions and disjunctions generated by it Created page with "{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title | title = A new intuitionistic fuzzy implication and the negation, conjunctions and disjunctions generated by it | shortcut = nifs/29/1/46-55 }} {{issue/author | author = Lilija Atanassova | institution = Institute of Information and Communication Tech..."
- 10:4510:45, 13 March 2023 diff hist +322 Notes on Intuitionistic Fuzzy Sets/29/1 No edit summary
- 10:3510:35, 13 March 2023 diff hist +400 N File:NIFS-29-1-030-045.pdf == Summary == {{upload | description = Norms over ''Q''-intuitionistic fuzzy subgroups of a group | author = Rasul Rasuli | source = Notes on Intuitionistic Fuzzy Sets, Volume 29 (2023), Number 1, pages 30-45 | date = 2023 | license = | other-version = }} Category:PDF files current
- 10:3410:34, 13 March 2023 diff hist +74 N Issue:Nifs/29/1/30-45 Redirected page to Issue:Norms over Q-intuitionistic fuzzy subgroups of a group current Tag: New redirect
- 10:3410:34, 13 March 2023 diff hist +8,233 N Issue:Norms over Q-intuitionistic fuzzy subgroups of a group Created page with "{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title | title = Norms over ''Q''-intuitionistic fuzzy subgroups of a group | shortcut = nifs/29/1/30-45 }} {{issue/author | author = Rasul Rasuli | institution = Department of Mathematics, Payame Noor University (PNU) | address = Tehran, Iran | e..." current
- 10:1810:18, 13 March 2023 diff hist +225 Notes on Intuitionistic Fuzzy Sets/29/1 No edit summary
8 March 2023
- 11:1811:18, 8 March 2023 diff hist +163 N Category:2023 year Created page with "''This category contains Ifigenia articles and community pages relevant to 2023 year (conferences, publications, etc).'' --------- Category:Categories by year" current
- 11:1711:17, 8 March 2023 diff hist +133 N Category:Publications in 2023 year Created page with "''This category contains publications, released in 2023 year.'' ------ 2023 Category:2023 year" current
- 11:1711:17, 8 March 2023 diff hist +193 N Category:Conferences in 2023 year Created page with "''This category contains articles and community pages related to conferences in 2023 year within the scope of Ifigenia.'' --------- 2023 Category:2023 year" current
- 11:1611:16, 8 March 2023 diff hist +1 ICIFS-2023 →Registration and COVID Provisions
- 11:0411:04, 8 March 2023 diff hist +106 ICIFS-2023 new dates
7 March 2023
- 14:3814:38, 7 March 2023 diff hist +51 N Nifs/29 Redirected page to Notes on Intuitionistic Fuzzy Sets/29 current Tag: New redirect
- 14:3814:38, 7 March 2023 diff hist +51 N NIFS/29 Redirected page to Notes on Intuitionistic Fuzzy Sets/29 current Tag: New redirect
- 14:3814:38, 7 March 2023 diff hist +53 N NIFS/29/1 Redirected page to Notes on Intuitionistic Fuzzy Sets/29/1 current Tag: New redirect
- 14:3814:38, 7 March 2023 diff hist +53 N Nifs/29/1 Redirected page to Notes on Intuitionistic Fuzzy Sets/29/1 current Tag: New redirect
- 14:3714:37, 7 March 2023 diff hist 0 Issue:Level operators over primary interval-valued intuitionistic fuzzy M group No edit summary current
6 March 2023
- 18:1918:19, 6 March 2023 diff hist +93 N Issue:Nifs/29/1/1-29 Redirected page to Issue:Level operators over primary interval-valued intuitionistic fuzzy M group current Tag: New redirect
- 18:1918:19, 6 March 2023 diff hist +490 N File:NIFS-29-1-001-029.pdf == Summary == {{upload | description = Level operators over primary interval-valued intuitionistic fuzzy ''M'' group | author = G. Prasannavengeteswari, K. Gunasekaran and S. Nandakumar | source = Notes on Intuitionistic Fuzzy Sets, Volume 29 (2023), Number 1, pages 1-29 | date = 2023 | license = | other-version = }} Category:PDF files current
- 18:1718:17, 6 March 2023 diff hist +3,784 N Issue:Level operators over primary interval-valued intuitionistic fuzzy M group Created page with "{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title | title = Level operators over primary interval-valued intuitionistic fuzzy ''M'' group | shortcut = nifs/29/1/1-29 }} {{issue/author | author = G. Prasannavengeteswari | institution = Ramanujan Research Center, PG and Research Department of Mathematic..."
- 18:1218:12, 6 March 2023 diff hist +881 N Notes on Intuitionistic Fuzzy Sets/29/1 Created page with "<noinclude>'''Notes on Intuitionistic Fuzzy Sets, Volume 29 (2023), Number 1.''' == Journal contents ==</noinclude> {{journal-contents/header}} {{journal-contents/row |number = 1 |title = Level operators over primary interval-valued intuitionistic fuzzy ''M'' group |authors = G. Prasannavengeteswari, K. Gunasekaran and S. Na..."
- 17:2817:28, 6 March 2023 diff hist +754 N Notes on Intuitionistic Fuzzy Sets/29 Created page with "'''Notes on Intuitionistic Fuzzy Sets, Volume 29 (2023).''' == Number 1 == {{:Notes on Intuitionistic Fuzzy Sets/29/1}} <!-- == Number 2 == {{:Notes on Intuitionistic Fuzzy Sets/29/2}} == Number 3 == {{:Notes on Intuitionistic Fuzzy Sets/29/3}} == Number 4 == {{:Notes on Intuitionistic Fuzzy S..."
6 February 2023
- 16:2716:27, 6 February 2023 diff hist +166 ICIFS-2023 No edit summary
26 January 2023
- 16:4716:47, 26 January 2023 diff hist 0 File:26-ICIFS-2023-CFP.pdf Vassia Atanassova uploaded a new version of File:26-ICIFS-2023-CFP.pdf current
- 16:2316:23, 26 January 2023 diff hist 0 File:26-ICIFS-2023-CFP.pdf Vassia Atanassova uploaded a new version of File:26-ICIFS-2023-CFP.pdf
- 16:2216:22, 26 January 2023 diff hist +225 N File:26-ICIFS-2023-CFP.pdf == Summary == {{upload | description = Call for Papers for the 26th International Conference on Intuitionistic Fuzzy Sets | author = ICIFS | source = ICIFS | date = 2023 | license = | other-version = }}
- 16:2016:20, 26 January 2023 diff hist −11 ICIFS-2023 →Aim and scope
- 16:2016:20, 26 January 2023 diff hist +159 ICIFS-2023 No edit summary Tag: Visual edit: Switched
- 16:1116:11, 26 January 2023 diff hist 0 MediaWiki:Conferences-url No edit summary
- 16:1116:11, 26 January 2023 diff hist 0 MediaWiki:Conferences No edit summary
- 16:1016:10, 26 January 2023 diff hist +302 MediaWiki:Sitenotice No edit summary Tag: Reverted
- 16:0816:08, 26 January 2023 diff hist +4,720 N ICIFS-2023 Created page with "<div align="center" style="font-size: 175%;"> '''26<sup>th</sup> International Conference on Intuitionistic Fuzzy Sets''' <br /> 26–27 June 2023, Sofia, Bulgaria </div> {| style="float:right; width: 250px; background-color:#F6FFF6; margin-left:.5em; margin-top:.5em; padding: .5em; border:1px dotted;" | center|240px<br/><br/> <center> '''ICIFS'2023 is an <br/>[https://www.eusflat.org/events-eusflat-events.html EUSFLAT ENDORSED EVENT]''' </center..."
24 January 2023
- 14:3114:31, 24 January 2023 diff hist −1 Issue:Intuitionistic fuzzy conjunctions and disjunctions from third type No edit summary current
16 January 2023
- 13:2313:23, 16 January 2023 diff hist +53 N NIFS/28/4 Redirected page to Notes on Intuitionistic Fuzzy Sets/28/4 current Tags: New redirect Visual edit: Switched
- 13:2213:22, 16 January 2023 diff hist +53 N Nifs/28/4 Redirected page to Notes on Intuitionistic Fuzzy Sets/28/4 current Tag: New redirect
5 January 2023
- 18:5518:55, 5 January 2023 diff hist 0 Issue:Quantifying individual scientific output in terms of a new intuitionistic fuzzy sets based author-level metrics (IFALM) No edit summary current
- 12:5412:54, 5 January 2023 diff hist +8 Notes on Intuitionistic Fuzzy Sets/10/1 over > over the current
- 12:5412:54, 5 January 2023 diff hist +85 N Issue:On the modal operators defined over intuitionistic fuzzy sets Vassia Atanassova moved page Issue:On the modal operators defined over intuitionistic fuzzy sets to Issue:On the modal operators defined over the intuitionistic fuzzy sets current Tag: New redirect
- 12:5412:54, 5 January 2023 diff hist 0 m Issue:On the modal operators defined over the intuitionistic fuzzy sets Vassia Atanassova moved page Issue:On the modal operators defined over intuitionistic fuzzy sets to Issue:On the modal operators defined over the intuitionistic fuzzy sets current
- 12:5412:54, 5 January 2023 diff hist +4 Issue:On the modal operators defined over the intuitionistic fuzzy sets No edit summary
14 December 2022
- 18:5618:56, 14 December 2022 diff hist 0 File:NIFS-28-4-428-435.pdf Vassia Atanassova uploaded a new version of File:NIFS-28-4-428-435.pdf current
- 18:5218:52, 14 December 2022 diff hist +122 Issue:Intuitionistic fuzzy interpretations of formula (A → B) → ((¬A → B) → B) No edit summary current
13 December 2022
- 12:2112:21, 13 December 2022 diff hist +3 File:NIFS-28-4-464-474.pdf No edit summary current
- 12:2112:21, 13 December 2022 diff hist 0 File:NIFS-28-4-464-474.pdf Vassia Atanassova uploaded a new version of File:NIFS-28-4-464-474.pdf
- 12:2012:20, 13 December 2022 diff hist +3 Notes on Intuitionistic Fuzzy Sets/28/4 No edit summary current
- 12:1612:16, 13 December 2022 diff hist 0 File:NIFS-28-4-464-474.pdf Vassia Atanassova uploaded a new version of File:NIFS-28-4-464-474.pdf
- 12:1312:13, 13 December 2022 diff hist +3 Petar R. Petrov Changed redirect target from Category:Publications of Petar Petrov to Category:Publications of Petar R. Petrov current Tag: Redirect target changed
- 12:1312:13, 13 December 2022 diff hist 0 m Petar R. Petrov Vassia Atanassova moved page Petar Petrov to Petar R. Petrov without leaving a redirect
- 12:1312:13, 13 December 2022 diff hist 0 m Category:Publications of Petar R. Petrov Vassia Atanassova moved page Category:Publications of Petar Petrov to Category:Publications of Petar R. Petrov without leaving a redirect current
- 12:1212:12, 13 December 2022 diff hist +3 Issue:InterCriteria Analysis as a tool for analyzing Big Data datasets: Case study of 2021 national statistics of Bulgarian system of higher education No edit summary current
12 December 2022
- 21:2221:22, 12 December 2022 diff hist −7 m Notes on Intuitionistic Fuzzy Sets/Contents 28/4
- 20:5120:51, 12 December 2022 diff hist +5 m Issue:A new operation over intuitionistic fuzzy pairs doi fixed current
- 20:4920:49, 12 December 2022 diff hist +10 Issue:Intuitionistic fuzzy interpretations of formula (A → B) → ((¬A → B) → B) doi fixed
- 20:4820:48, 12 December 2022 diff hist +5 Issue:A new operation over intuitionistic fuzzy pairs doi fixed
- 20:3620:36, 12 December 2022 diff hist 0 m Issue:T-Lower level set and t-upper level set of an intuitionistic fuzzy set No edit summary current
- 20:3420:34, 12 December 2022 diff hist −4 Notes on Intuitionistic Fuzzy Sets/28 No edit summary current
- 20:3420:34, 12 December 2022 diff hist −6 Notes on Intuitionistic Fuzzy Sets/28 No edit summary
- 19:0019:00, 12 December 2022 diff hist 0 Issue:Intuitionistic fuzzy interpretations of formula (A → B) → ((¬A → B) → B) No edit summary
- 19:0019:00, 12 December 2022 diff hist −1 Issue:Intuitionistic fuzzy interpretations of formula (A → B) → ((¬A → B) → B) No edit summary
- 18:5918:59, 12 December 2022 diff hist 0 File:NIFS-28-4-428-435.pdf Vassia Atanassova uploaded a new version of File:NIFS-28-4-428-435.pdf
- 18:3418:34, 12 December 2022 diff hist +565 N File:NIFS-28-4-464-474.pdf == Summary == {{upload | description = InterCriteria Analysis as a tool for analyzing Big Data datasets: Case study of 2021 national statistics of Bulgarian system of higher education | author = Veselina Bureva, Petar Petrov, Vassia Atanassova and Ivo Umlenski | source = Notes on Intuitionistic Fuzzy Sets/28/4 | date...
- 18:3118:31, 12 December 2022 diff hist +164 N Issue:Nifs/28/4/464-474 Redirected page to Issue:InterCriteria Analysis as a tool for analyzing Big Data datasets: Case study of 2021 national statistics of Bulgarian system of higher education current Tag: New redirect
- 18:3018:30, 12 December 2022 diff hist +6 Issue:InterCriteria Analysis as a tool for analyzing Big Data datasets: Case study of 2021 national statistics of Bulgarian system of higher education No edit summary
- 18:3018:30, 12 December 2022 diff hist +85 Issue:InterCriteria Analysis as a tool for analyzing Big Data datasets: Case study of 2021 national statistics of Bulgarian system of higher education No edit summary
- 18:2918:29, 12 December 2022 diff hist +1 Issue:InterCriteria Analysis as a tool for analyzing Big Data datasets: Case study of 2021 national statistics of Bulgarian system of higher education No edit summary
- 18:2818:28, 12 December 2022 diff hist +10 Issue:InterCriteria Analysis as a tool for analyzing Big Data datasets: Case study of 2021 national statistics of Bulgarian system of higher education No edit summary
- 18:2818:28, 12 December 2022 diff hist +10,431 N Issue:InterCriteria Analysis as a tool for analyzing Big Data datasets: Case study of 2021 national statistics of Bulgarian system of higher education Created page with "{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title | title = InterCriteria Analysis as a tool for analyzing Big Data datasets: Case study of 2021 national statistics of Bulgarian system of higher education | shortcut = nifs/28/4/457-463 }} {{issue/author | author = Veselina Bureva | institution = “Pr..."
- 18:1618:16, 12 December 2022 diff hist +144 N Category:Publications of Ivo Umlenski Created page with "''This category contains publications of Ivo Umlenski, available on Ifigenia.'' --------- Umlenski, Ivo" current
- 18:1518:15, 12 December 2022 diff hist +145 N Category:Publications of Petar R. Petrov Created page with "''This category contains publications of Petar Petrov, available on Ifigenia.'' --------- Petrov, Petar "
- 18:1518:15, 12 December 2022 diff hist −21 Petar R. Petrov Changed redirect target from Category:Publications of Petar Petrovintuitionistic fuzzy to Category:Publications of Petar Petrov Tag: Redirect target changed
- 18:1518:15, 12 December 2022 diff hist +73 N Petar R. Petrov Redirected page to Category:Publications of Petar Petrovintuitionistic fuzzy Tag: New redirect
- 18:1518:15, 12 December 2022 diff hist +52 N Ivo Umlenski Redirected page to Category:Publications of Ivo Umlenski current Tag: New redirect
- 18:1418:14, 12 December 2022 diff hist +474 N File:NIFS-28-4-428-435.pdf == Summary == {{upload | description = Intuitionistic fuzzy interpretations of formula (''A'' → ''B'') → ((¬''A'' → ''B'') → ''B'') | author = Nora Angelova, Katarína Čunderlíková, Eulalia Szmidt and Krassimir Atanassov | source = Notes on Intuitionistic Fuzzy Sets/28/4 | date = 2022 | license = | other-version = }} Category:PDF files
- 18:1218:12, 12 December 2022 diff hist +101 N Issue:Nifs/28/4/428-435 Redirected page to Issue:Intuitionistic fuzzy interpretations of formula (A → B) → ((¬A → B) → B) current Tag: New redirect
- 18:1118:11, 12 December 2022 diff hist +5,677 N Issue:Intuitionistic fuzzy interpretations of formula (A → B) → ((¬A → B) → B) Created page with "{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title | title = Intuitionistic fuzzy interpretations of formula (''A'' → ''B'') → ((¬''A'' → ''B'') → ''B'') | shortcut = nifs/28/4/428-435 }} {{issue/author | author = Nora Angelova | institution = Faculty of Mathematics and Informatics, Sofia Univ..."
- 17:5117:51, 12 December 2022 diff hist +358 N File:NIFS-28-4-436-441.pdf == Summary == {{upload | description = A new operation over intuitionistic fuzzy pairs | author = Velin Andonov, Sławomir Zadrożny and Lilija Atanassova | source = Notes on Intuitionistic Fuzzy Sets/28/4 | date = 2022 | license = | other-version = }} Category:PDF files current
- 17:5017:50, 12 December 2022 diff hist +67 N Issue:Nifs/28/4/436-441 Redirected page to Issue:A new operation over intuitionistic fuzzy pairs current Tag: New redirect
- 17:5017:50, 12 December 2022 diff hist +3,906 N Issue:A new operation over intuitionistic fuzzy pairs Created page with "{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title | title = A new operation over intuitionistic fuzzy pairs | shortcut = nifs/28/4/436-441 }} {{issue/author | author = Velin Andonov | institution = Institute of Mathematics and Informatics, Bulgarian Academy of Sciences | address = Acad. G. Bo..."
- 17:4017:40, 12 December 2022 diff hist 0 File:NIFS-28-4-442-456.pdf Vassia Atanassova uploaded a new version of File:NIFS-28-4-442-456.pdf current
- 17:3917:39, 12 December 2022 diff hist +93 N Issue:Nifs/28/4/442-456 Redirected page to Issue:Direct product of finite intuitionistic anti fuzzy normed normal subrings current Tag: New redirect
- 17:3817:38, 12 December 2022 diff hist +4,264 N Issue:Direct product of finite intuitionistic anti fuzzy normed normal subrings Created page with "{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title | title = Direct product of finite intuitionistic anti fuzzy normed normal subrings | shortcut = nifs/28/4/442-456 }} {{issue/author | author = Nour Abed Alhaleem | institution = Department of Mathematical Sciences, Faculty of Science and Technology..." current
- 17:3317:33, 12 December 2022 diff hist +389 N File:NIFS-28-4-442-456.pdf == Summary == {{upload | description = Direct product of finite intuitionistic anti fuzzy normed normal subrings | author = Nour Abed Alhaleem and Abd Ghafur Ahmad | source = Notes on Intuitionistic Fuzzy Sets/28/4 | date = 2022 | license = | other-version = }} Category:PDF files
- 17:3217:32, 12 December 2022 diff hist +81 N Issue:Nifs/28/4/475-490 Redirected page to Issue:A mathematical model using temporal intuitionistic fuzzy sets current Tag: New redirect
- 17:3117:31, 12 December 2022 diff hist +4,595 N Issue:A mathematical model using temporal intuitionistic fuzzy sets Created page with "{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title | title = A mathematical model using temporal intuitionistic fuzzy sets | shortcut = nifs/28/4/475-490 }} {{issue/author | author = S. P. Geetha | institution = Department of Mathematics, Vellalar College for Women | address = Erode-638 012..." current
- 17:3017:30, 12 December 2022 diff hist +354 N File:NIFS-28-4-475-490.pdf == Summary == {{upload | description = A mathematical model using temporal intuitionistic fuzzy sets | author = S. P. Geetha and R. Parvathi | source = Notes on Intuitionistic Fuzzy Sets/28/4 | date = 2022 | license = | other-version = }} Category:PDF files current
- 17:1717:17, 12 December 2022 diff hist −268 MediaWiki:Sitenotice No edit summary
- 17:0517:05, 12 December 2022 diff hist +356 N File:NIFS-28-4-397-412.pdf == Summary == {{upload | description = Issue:Morphological operations on temporal intuitionistic fuzzy sets | author = R. Parvathi and C. Yuvapriya | source = Notes on Intuitionistic Fuzzy Sets/28/4 | date = 2022 | license = | other-version = }} Category:PDF files current
- 17:0417:04, 12 December 2022 diff hist +82 N Issue:Nifs/28/4/397-412 Redirected page to Issue:Morphological operations on temporal intuitionistic fuzzy sets current Tag: New redirect
- 17:0317:03, 12 December 2022 diff hist +48 N Category:Publications of R. Parvathi Created page with "Category: Publications of Parvathi Rangasamy" current
- 17:0317:03, 12 December 2022 diff hist −19 Issue:Morphological operations on temporal intuitionistic fuzzy sets No edit summary current
- 17:0217:02, 12 December 2022 diff hist +18 Issue:Morphological operations on temporal intuitionistic fuzzy sets No edit summary
- 17:0117:01, 12 December 2022 diff hist +6,564 N Issue:Morphological operations on temporal intuitionistic fuzzy sets Created page with "{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title | title = Morphological operations on temporal intuitionistic fuzzy sets | shortcut = nifs/28/4/397-412 }} {{issue/author | author = R. Parvathi | institution = Department of Mathematics, Vellalar College for Women | address = Erode, Tamilna..."
- 16:4616:46, 12 December 2022 diff hist +260 Notes on Intuitionistic Fuzzy Sets/28/4 No edit summary