connectives.nmk
∀ A, A ⇒ False ⇒ ¬A
Axiom nmk : forall (A:Prop), (A -> False) -> Not A
axiom nmk : \forall (A:Prop). ((A) -> (False) ) -> (Not) A
axiom nmk : forall (A:Prop) , ((A) -> (connectives.False) ) -> ((connectives.Not) ) (A)
nmk : AXIOM (FORALL(A:bool):((A => connectives_sttfa.sttfa_False) => connectives_sttfa.sttfa_Not(A)))
Printing for OpenTheory is not working at the moment.