eqt-∀-i

Theorem.

Arguments:

x (sv), phi (pr), psi (pr),

Hypotheses:

(phileftrightarrowpsi)

Assertions:

(forallxphileftrightarrowforallxpsi)

Proof:

Hyp Ref Line Expr
Hypo1(phileftrightarrowpsi)
1eqt-∀2(forallxphileftrightarrowforallxpsi)