rp-1>d

Theorem.

Arguments:

a (st), b (coll), c (st), phi (pr),

Hypotheses:

(phito(aeqc))
(phito(ainb))

Assertions:

(phito(cinb))

Proof:

Hyp Ref Line Expr
Hypo1(phito(aeqc))
2(phito(ainb))
1eqcomi3(phito(ceqa))
2, 3rp-1<d4(phito(cinb))