rp-2>g

Theorem.

Arguments:

a (obj), b (obj), c (obj), phi (pr),

Hypotheses:

(beqc)
(phito(aleb))

Assertions:

(phito(alec))

Proof:

Hyp Ref Line Expr
Hypo1(beqc)
2(phito(aleb))
1, 2eqt>3(phito(alec))