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Results tagged with proof
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user 46706
For questions about the correctness of a proof or the nature of proofs in general.
2
votes
2
answers
263
views
fitch proof. P v Q, Q→ ¬ R, ¬ P, ¬ R → ¬ S GOAL: ¬ S
Need help exercise using the FITCH program format. I'm stuck on where to start. The following 4 steps must be used to prove the goal.
P v Q
Q→ ¬ R
¬ P
¬ R → ¬ S
GOAL: ¬ S
Now I know: ¬ P and P v Q …
- 29
-1
votes
1
answer
190
views
Solving a proof with Fitch
I'm working on an assignment and I'm stuck on this proof. I feel like I'm on the right track but I can't find the way to prove the goal.
B ^ D
(B^¬A) → ¬C
B → ¬A
(D^E)→ (A v C)
GOAL: ¬E …
- 29