Question about logical implication $P\to Q$
15504
In classical logic, why is $(p\Rightarrow q)$ True if $p$ is False and $q$ is True?
136844
Mathematical induction question: why can we "assume $P(k)$ holds"?
158016
Help understanding predicate logic question/proof
51863
Logical Conditional Truth Table Rationale
121720
Given ∃x.¬p(x), use the Fitch System to prove ¬∀x.p(x).
137494
Why is "If ψ ∈ Γ then the sequent (Γ ⊢ ψ) is correct" true?
21250
Prove $x \equiv a \pmod{p}$ and $x \equiv a \pmod{q}$ then $x \equiv a\pmod{pq}$
29031
How does "If $P$ then $Q$" have the same meaning as "$Q$ only if $P$ "?
1027
Why is this true? $(\exists x)(P(x) \Rightarrow (\forall y) P(y))$
31299
Using the Fitch system, how do I prove $((p \implies q) \implies p)\implies p$?
91861
Propositional Logic: p → q, ¬p → r, ¬q → ¬r ⊢ q
42590
Understanding implication in logic truth tables (excerpt from textbook)
29110
Propositional Intuitionistic Logic Question
72034
Truth table and the meaning of $\oplus$ in propositional logic
157625
How to prove conditional in Coq?
6166
Is the following statement provable?
37134
How can I solve this logic question using propositional logic (Natural deduction)?