(prime(2))
((∀Y)∧(Y∈integers)∧factor(Y,2)∧(Y>0)⇒((Y=1) ∨(Y=2)))
((∀Y)∧(Y∈integers)∧factor(Y,2)∧(Y>0)∧(Y≠0)∧( ¬(0>Y))⇒((Y=1)∨(Y=2)))
(((∀Y)∧(Y∈integers)∧¬(factor(Y,2)∧(Y>0)∧(Y≠0) ∧(¬(0>Y))∧(Y≠1)∧(Y≠2))))
(((∀Y)∧(Y∈integers)∧(∃V0)∧(V0∈integers)∧¬ ((Y>0)∧(Y≠0)∧(¬(0>Y))∧(Y≠1)∧(Y≠2)∧((Y*V0) =2))))
(((∀Y)∧(Y∈integers)∧(∃V0)∧(V0∈integers)∧¬ ((Y>0)∧(Y≠0)∧(¬(0>Y))∧(Y≠1)∧(Y≠2)∧((Y*V0) =2)∧(V0>0))))
(((∀Y)∧(Y∈integers)∧(∃V0)∧(V0∈integers)∧¬ ((Y>0)∧(Y≠0)∧(¬(0>Y))∧(Y≠1)∧(Y≠2)∧((Y*V0) =2)∧(V0>0)∧(¬(Y>2)))))
(((∀Y)∧(Y∈integers)∧(∃V0)∧(V0∈integers)∧¬ ((Y>0)∧(Y≠0)∧(¬(0>Y))∧(Y≠1)∧(Y≠2)∧((Y*V0) =2)∧(V0>0)∧(¬(Y>2))∧(¬(V0>2)))))
true