Place C<> around operator and types

Author: uzluisf

doc/Language/setbagmix.pod6

@@ -89,7 +89,7 @@ L<Set Theory|https://en.wikipedia.org/wiki/Set_theory>.
 
 These infixes can be written using the Unicode character that represents the
 function (like C<∈> or C<∪>), or with an equivalent ASCII version (like
-C<(elem)> or <(|)>.
+C<(elem)> or C<(|)>).
 
 So explicitly using C<Set> (or C<Bag> or C<Mix>) objects with these infixes
 is unnecessary.  All set operators work with all possible arguments.  If
@@ -104,73 +104,73 @@ C<Bag> if both types happen to be used).
 
 =head3 infix (elem), infix ∈
 
-Returns C<True> if C<$a> is an B<element> of C<$b>, else False.
+Returns C<True> if C<$a> is an B<element> of C<$b>, else C<False>.
 L<More information|/language/operators#infix_(elem),_infix_∈>,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Element_(mathematics)#Notation_and_terminology>.
 
 =head3 infix ∉
 
-Returns C<True> if C<$a> is B<not> an element of C<$b>, else False.
+Returns C<True> if C<$a> is B<not> an element of C<$b>, else C<False>.
 L<More information|/language/operators#infix_∉>,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Element_(mathematics)#Notation_and_terminology>.
 
 =head3 infix (cont), infix ∋
 
-Returns C<True> if C<$a> B<contains> C<$b> as an element, else False.
+Returns C<True> if C<$a> B<contains> C<$b> as an element, else C<False>.
 L<More information|/language/operators#infix_(cont),_infix_∋>,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Element_(mathematics)#Notation_and_terminology>.
 
 =head3 infix ∌
 
-Returns C<True> if C<$a> does B<not> contain C<$b>, else False.
+Returns C<True> if C<$a> does B<not> contain C<$b>, else C<False>.
 L<More information|/language/operators#infix_∌>,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Element_(mathematics)#Notation_and_terminology>.
 
 =head3 infix (<=), infix ⊆
 
-Returns C<True> if C<$a> is a B<subset> or is equal to C<$b>, else False.
+Returns C<True> if C<$a> is a B<subset> or is equal to C<$b>, else C<False>.
 L<More information|/language/operators#infix_(<=),_infix_⊆>,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Subset#Definitions>.
 
 =head3 infix ⊈
 
-Returns C<True> if C<$a> is B<not> a B<subset> nor equal to C<$b>, else False.
+Returns C<True> if C<$a> is B<not> a B<subset> nor equal to C<$b>, else C<False>.
 L<More information|/language/operators#infix_⊈>,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Subset#Definitions>.
 
 =head3 infix (<), infix ⊂
 
-Returns C<True> if C<$a> is a B<strict subset> of C<$b>, else False.
+Returns C<True> if C<$a> is a B<strict subset> of C<$b>, else C<False>.
 L<More information|/language/operators#infix_(<),_infix_⊂>,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Subset#Definitions>.
 
 =head3 infix ⊄
 
-Returns C<True> if C<$a> is B<not> a B<strict subset> of C<$b>, else False.
+Returns C<True> if C<$a> is B<not> a B<strict subset> of C<$b>, else C<False>.
 L<More information|/language/operators#infix_⊄>,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Subset#Definitions>.
 
 =head3 infix (>=), infix ⊇
 
-Returns C<True> if C<$a> is a B<superset> of or equal to C<$b>, else False.
+Returns C<True> if C<$a> is a B<superset> of or equal to C<$b>, else C<False>.
 L«More information|/language/operators#infix_(>=),_infix_⊇»,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Subset#Definitions>.
 
 =head3 infix ⊉
 
-Returns C<True> if C<$a> is B<not> a B<superset> nor equal to C<$b>, else False.
+Returns C<True> if C<$a> is B<not> a B<superset> nor equal to C<$b>, else C<False>.
 L<More information|/language/operators#infix_⊉>,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Subset#Definitions>.
 
 =head3 infix (>), infix ⊃
 
-Returns C<True> if C<$a> is a B<strict superset> of C<$b>, else False.
+Returns C<True> if C<$a> is a B<strict superset> of C<$b>, else C<False>.
 L«More information|/language/operators#infix_(>),_infix_⊃»,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Subset#Definitions>.
 
 =head3 infix ⊅
 
-Returns C<True> if C<$a> is B<not> a B<strict superset> of C<$b>, else False.
+Returns C<True> if C<$a> is B<not> a B<strict superset> of C<$b>, else C<False>.
 L<More information|/language/operators#infix_⊅>,
 L<Wikipedia definition|https://en.wikipedia.org/wiki/Subset#Definitions>.