rp-1<r

Theorem.

Arguments:

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

Hypotheses:

(ceqa)
(phito(aeqb))

Assertions:

(phito(beqc))

Proof:

Hyp Ref Line Expr
Hypo1(ceqa)
2(phito(aeqb))
1, 2rp-1<3(phito(ceqb))
3ax-sym4(phito(beqc))