Sufficient & Necessary Questions - - Question 45

Two things are true of all immoral actions. First, if they are performed in public, they offend public sensibilities....

Nishant-Varma May 13, 2020

E

I know the question asks for must be false, but I am just curious as to why E isn't "must-be-true"?

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Brett-Lindsay July 12, 2020

Every action performed in public that is accompanied by feelings of guilt is immoral.
This could be diagrammed:
Public + Feel Guilty --> Immoral
P + G --> I
It's just a reversal of the second premise:
IA --> G

This is like Mehran's favorite saying: just because all carrots are vegetables, doesn't mean that all vegetables are carrots.
C --> V (not V --> C)