New posts in Logic Translation

Expressing "does not imply''

Why is this natural language sentence converted into a predicate logic language the way it is here?

Negating "$\forall n\in \Bbb N$ and $\forall\varepsilon>0$, $\exists A\in\mathcal A$ such that $n<|a|<n+\varepsilon$ for infinitely many $a\in A$."

When "If $A$ is true then $B$ is true", is it valid to assert that "If $B$ is false, $A$ must also be false"?

Writing predicates - is the quantifier necessary?

When to use which quantifier with predicate logic?

Why is "A only if B" equivalent to "(not A) or B"?

Does "either" make an exclusive or?

How to convert numerical claims to first order logic?

What are the rules for the use of dots rather than parentheses in logical formulae?