connectives.or_introl
∀ A B, A ⇒ A ∨ B
Axiom or_introl : forall (A:Prop), forall (B:Prop), A -> Or A B
axiom or_introl : \forall (A:Prop). \forall (B:Prop). (A) -> (Or) A B
axiom or_introl : forall (A:Prop) , forall (B:Prop) , (A) -> (((connectives.Or) ) (A)) (B)
or_introl : AXIOM (FORALL(A:bool):(FORALL(B:bool):(A => connectives_sttfa.sttfa_Or(A)(B))))
Printing for OpenTheory is not working at the moment.