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	<id>https://ifigenia.org/index.php?action=history&amp;feed=atom&amp;title=Issue%3AA_new_modal_operator_over_intuitionistic_fuzzy_sets</id>
	<title>Issue:A new modal operator over intuitionistic fuzzy sets - Revision history</title>
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	<updated>2026-04-09T12:32:23Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://ifigenia.org/index.php?title=Issue:A_new_modal_operator_over_intuitionistic_fuzzy_sets&amp;diff=14299&amp;oldid=prev</id>
		<title>Vassia Atanassova at 14:26, 26 December 2025</title>
		<link rel="alternate" type="text/html" href="https://ifigenia.org/index.php?title=Issue:A_new_modal_operator_over_intuitionistic_fuzzy_sets&amp;diff=14299&amp;oldid=prev"/>
		<updated>2025-12-26T14:26:44Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 17:26, 26 December 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l16&quot;&gt;Line 16:&lt;/td&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | author          = Gökhan Çuvalcioğlu&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | author          = Gökhan Çuvalcioğlu&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | institution     = Department of Mathematics, University of Mersin  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | institution     = Department of Mathematics, University of Mersin  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | address         = Mersin, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Türkiye&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | address         = Mersin, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Turkey&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | email-before-at = gcuvalcioglu&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | email-before-at = gcuvalcioglu&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | email-after-at  = gmail.com&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | email-after-at  = gmail.com&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vassia Atanassova</name></author>
	</entry>
	<entry>
		<id>https://ifigenia.org/index.php?title=Issue:A_new_modal_operator_over_intuitionistic_fuzzy_sets&amp;diff=14298&amp;oldid=prev</id>
		<title>Vassia Atanassova at 14:25, 26 December 2025</title>
		<link rel="alternate" type="text/html" href="https://ifigenia.org/index.php?title=Issue:A_new_modal_operator_over_intuitionistic_fuzzy_sets&amp;diff=14298&amp;oldid=prev"/>
		<updated>2025-12-26T14:25:58Z</updated>

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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{issue/data&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{issue/data&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | issue           = [[Notes on Intuitionistic Fuzzy Sets/20/5|Notes on Intuitionistic Fuzzy Sets, Volume 20 (2014), Number 5]], pages &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;26–35&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | issue           = [[Notes on Intuitionistic Fuzzy Sets/20/5|Notes on Intuitionistic Fuzzy Sets, Volume 20 (2014), Number 5]], pages &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1–8&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | file            = NIFS-20-5-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;26&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;35&lt;/del&gt;.pdf&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | file            = NIFS-20-5-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;01&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;08&lt;/ins&gt;.pdf&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | format          = PDF&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | format          = PDF&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | size            = &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;222&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | size            = &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;152&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | abstract        = A new operator from modal type is introduced over the intuitionistic fuzzy sets. On one hand, this operator functions by reducing the degree of membership or non-membership, and, on the other hand, by simultaneously summing it with a part of the degree of non-membership or membership, respectively. Some of its properties are studied.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | abstract        = A new operator from modal type is introduced over the intuitionistic fuzzy sets. On one hand, this operator functions by reducing the degree of membership or non-membership, and, on the other hand, by simultaneously summing it with a part of the degree of non-membership or membership, respectively. Some of its properties are studied.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | keywords        = Intuitionistic fuzzy modal operator, Intuitionistic fuzzy operation.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  | keywords        = Intuitionistic fuzzy modal operator, Intuitionistic fuzzy operation.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vassia Atanassova</name></author>
	</entry>
	<entry>
		<id>https://ifigenia.org/index.php?title=Issue:A_new_modal_operator_over_intuitionistic_fuzzy_sets&amp;diff=14296&amp;oldid=prev</id>
		<title>Vassia Atanassova: Created page with &quot;{{PAGENAME}} {{PAGENAME}} {{PAGENAME}} {{issue/title  | title           = A new modal operator over intuitionistic fuzzy sets  | shortcut        = nifs/20/5/1-8 }} {{issue/author  | author          = Krassimir Atanassov  | institution     = Department of Bioinformatics and Mathematical Modelling, Institute of Biophysics and Biomedical En...&quot;</title>
		<link rel="alternate" type="text/html" href="https://ifigenia.org/index.php?title=Issue:A_new_modal_operator_over_intuitionistic_fuzzy_sets&amp;diff=14296&amp;oldid=prev"/>
		<updated>2025-12-26T14:24:37Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&lt;a href=&quot;/wiki/Category:Publications_on_intuitionistic_fuzzy_sets&quot; title=&quot;Category:Publications on intuitionistic fuzzy sets&quot;&gt;{{PAGENAME}}&lt;/a&gt; &lt;a href=&quot;/wiki/Category:Publications_in_Notes_on_IFS&quot; title=&quot;Category:Publications in Notes on IFS&quot;&gt;{{PAGENAME}}&lt;/a&gt; &lt;a href=&quot;/wiki/Category:Publications_in_2014_year&quot; title=&quot;Category:Publications in 2014 year&quot;&gt;{{PAGENAME}}&lt;/a&gt; {{issue/title  | title           = A new modal operator over intuitionistic fuzzy sets  | shortcut        = nifs/20/5/1-8 }} {{issue/author  | author          = Krassimir Atanassov  | institution     = Department of Bioinformatics and Mathematical Modelling, Institute of Biophysics and Biomedical En...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Category:Publications on intuitionistic fuzzy sets|{{PAGENAME}}]]&lt;br /&gt;
[[Category:Publications in Notes on IFS|{{PAGENAME}}]]&lt;br /&gt;
[[Category:Publications in 2014 year|{{PAGENAME}}]]&lt;br /&gt;
{{issue/title&lt;br /&gt;
 | title           = A new modal operator over intuitionistic fuzzy sets&lt;br /&gt;
 | shortcut        = nifs/20/5/1-8&lt;br /&gt;
}}&lt;br /&gt;
{{issue/author&lt;br /&gt;
 | author          = Krassimir Atanassov&lt;br /&gt;
 | institution     = Department of Bioinformatics and Mathematical Modelling, Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences&lt;br /&gt;
 | address         = 105 Acad. G. Bonchev Str., Sofia 1113, Bulgaria&lt;br /&gt;
 | email-before-at = krat&lt;br /&gt;
 | email-after-at  = bas.bg&lt;br /&gt;
}}&lt;br /&gt;
{{issue/author&lt;br /&gt;
 | author          = Gökhan Çuvalcioğlu&lt;br /&gt;
 | institution     = Department of Mathematics, University of Mersin &lt;br /&gt;
 | address         = Mersin, Türkiye&lt;br /&gt;
 | email-before-at = gcuvalcioglu&lt;br /&gt;
 | email-after-at  = gmail.com&lt;br /&gt;
}}&lt;br /&gt;
{{issue/author&lt;br /&gt;
 | author          = Vassia Atanassova&lt;br /&gt;
 | institution     = Department of Bioinformatics and Mathematical Modelling, Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences&lt;br /&gt;
 | address         = 105 Acad. G. Bonchev Str., Sofia 1113, Bulgaria&lt;br /&gt;
 | email-before-at = vassia.atanassova&lt;br /&gt;
 | email-after-at  = gmail.com&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
{{issue/data&lt;br /&gt;
 | issue           = [[Notes on Intuitionistic Fuzzy Sets/20/5|Notes on Intuitionistic Fuzzy Sets, Volume 20 (2014), Number 5]], pages 26–35&lt;br /&gt;
 | file            = NIFS-20-5-26-35.pdf&lt;br /&gt;
 | format          = PDF&lt;br /&gt;
 | size            = 222&lt;br /&gt;
 | abstract        = A new operator from modal type is introduced over the intuitionistic fuzzy sets. On one hand, this operator functions by reducing the degree of membership or non-membership, and, on the other hand, by simultaneously summing it with a part of the degree of non-membership or membership, respectively. Some of its properties are studied.&lt;br /&gt;
 | keywords        = Intuitionistic fuzzy modal operator, Intuitionistic fuzzy operation.&lt;br /&gt;
 | ams             = 03E72.&lt;br /&gt;
 | references      = &lt;br /&gt;
# Atanassov, K., Intuitionistic Fuzzy Sets: Theory and Applications, Springer, Heidelberg, 1999.&lt;br /&gt;
# Atanassov, K., [[Issue:The most general form of one type of intuitionistic fuzzy modal operators|The most general form of one type of intuitionistic fuzzy modal operators]]. Notes on Intuitionistic Fuzzy Sets, Vol. 12, 2006, No. 2, 36–38.&lt;br /&gt;
#  Atanassov, K., [[Issue:The most general form of one type of intuitionistic fuzzy modal operators. Part 2|The most general form of one type of intuitionistic fuzzy modal operators. Part 2]]. Proceedings of the Twelfth International Conference on Intuitionistic Fuzzy Sets (J. Kacprzyk and K. Atanassov, Eds), Sofia, 17-18 May 2008, Vol. 1. In: Notes on Intuitionistic Fuzzy Sets, Vol. 14, 2008, No. 1, 27–32.&lt;br /&gt;
# Atanassov, K., [[On Intuitionistic Fuzzy Sets Theory]], Springer, Berlin, 2012.&lt;br /&gt;
# Atanassov, K., [[Issue:A short note on intuitionistic fuzzy operators Xa,b,c,d,e,f and xa,b,c,d,e,f|A short remark on intuitionistic fuzzy operators &amp;#039;&amp;#039;X&amp;lt;sub&amp;gt;a,b,c,d,e,f&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039; and &amp;#039;&amp;#039;x&amp;lt;sub&amp;gt;a,b,c,d,e,f&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039;]], Notes on Intuitionistic Fuzzy Sets, Vol. 19, 2013, No. 1, 54–56.&lt;br /&gt;
# Cuvalcıoglu, G., Some properties of &amp;lt;math&amp;gt;E_{\alpha,\beta}&amp;lt;/math&amp;gt; operator. Advanced Studies on Contemporary Mathematics, Vol. 14, 2007, No. 2, 305–310.&lt;br /&gt;
# Cuvalcıoglu, G., Expand the model operator diagram with &amp;lt;math&amp;gt;Z^{\omega}_{\alpha,\beta}&amp;lt;/math&amp;gt;. Proceedings of the Jangjeon Math. Society, Vol. 13, 2010, No. 3, 403–412.&lt;br /&gt;
# Dencheva, K., Extension of intuitionistic fuzzy modal operators ⊞ and ⊠. Proc. of the Second Int. IEEE Symposium “Intelligent Systems”, Varna, June 22-24 2004, Vol. 3, 21–22.&lt;br /&gt;
 | citations       = &lt;br /&gt;
 | see-also        = &lt;br /&gt;
}}&lt;/div&gt;</summary>
		<author><name>Vassia Atanassova</name></author>
	</entry>
</feed>