SOLUTION: If there is not an afterlife, then all is hopeless. If all is hopeless, despair is the right attitude. Despair is not the right attitude. Therefore, there is an afterlife. (A,

Question 1032740: If there is not an afterlife, then all is hopeless. If all is hopeless, despair is the right attitude. Despair is not the right attitude. Therefore, there is an afterlife. (A, H, D)
Found 3 solutions by addingup, Alan3354, robertb:
Answer by addingup(3677)   (Show Source): You can put this solution on YOUR website!
There is no afterlife. But this doesn't mean that all is hopeless, it means that you'd better learn to respect and enjoy this life.
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
There's no reason to believe there's an "afterlife."
Emphasis on reason.
Answer by robertb(5830)   (Show Source): You can put this solution on YOUR website!
~A -> H
H -> D
~D
--------
∴ A
1. ~A -> H -------Hypothesis
2. H -> D -------Hypothesis
3. ~A -> D -------Hypothetical syllogism on #1 and #2
4. ~D -> ~~A -----Contrapositive of #3
5. ~D -> A ------double negation
6. ~D ----------Hypothesis
7. A -----------modus ponens on #5 and #6.
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