How do I know whether a noun is countable or not?
45135
How to ‘guess’ if a noun is countable or uncountable?
14235
count vs length vs size in a collection
3148
True or false: {{∅}} ⊂ {∅,{∅}}
126196
How to check if an object is an array?
72007
What do finite, infinite, countable, not countable, countably infinite mean?
131515
When can a noun be used attributively?
19777
Defining "Countably Infinite"
11854
"There Is"/"There are" depends on plurality of the first list element or not?
43187
How does "each" change "are" to "is"?
110497
Should I use "is" or "are" with "any of X"?
76240
How is $\epsilon_0$ countable?
117490
Can “another” be used with plural nouns provided periods or measurements don’t count?
110451
How to check if a string is numeric?
157279
How do you check if a variable is an array in JavaScript?
246
Agreement in "[Singular Noun] Is/Are [Plural Noun]"?
125644
How to check f is surjective
67672
How exactly do I tell if "A xxx of" is plural or singular?