Why was the existential quantifier symbol ∃ based off of an inverted "E"?
22918
What came first, the $\forall$ or the $\exists$?
125950
Proof strategy involving first order logic for existential quantification at very beginning
93557
Intuitively, why does (B → S) ≡ (¬B ∨ S)?
60705
What does this E symbol mean?
130473
What rules determine the apostrophe placement in "ham 'n eggs" and similar expressions?
53056
natural deduction: introduction of universal quantifier and elimination of existential quantifier explained
158558
what does ∇ (upside down triangle) symbol mean in this problem
20062
The use of indefinite article with initials
101741
Selection of logical connectives {¬,∨,∧,⇒,⇔} in set theory?
73014
Symbol for skeptical consequence
96026
Intuition behind "Exclusive or"
152771
Are there any patterns to observe in choosing the correct negative prefix to use?
60254
-ing vs -in' ending
57864
In Javascript/jQuery what does (e) mean?
53342
Subject predicate inversion due to negation
127576
Why is there one P in "hoping" and two P's in "hopping"?
62772
Why drop the “i” in “explanation”?