p q ~q r ~r (p ∨ r) ~(p ∨ r) (~q ∧ ~r) ~(p ∨ r) ↔ (~q ∧ ~r)
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T | T | F | T | F | T | F | F | T
T | T | F | F | T | T | F | F | T
T | F | T | T | F | T | F | F | T
T | F | T | F | T | T | F | T | F
F | T | F | T | F | T | F | F | T
F | T | F | F | T | F | T | F | F
F | F | T | T | F | T | F | F | T
F | F | T | F | T | F | T | T | T
John
My calculator said it, I believe it, that settles it