<anabsi<

Theorem.

Arguments:

phi (pr), psi (pr), chi (pr),

Hypotheses:

(phito((psiwedgephi)tochi))

Assertions:

((phiwedgepsi)tochi)

Proof:

Hyp Ref Line Expr
Hypo1(phito((psiwedgephi)tochi))
1ancomsd2(phito((phiwedgepsi)tochi))
2anabsi<3((phiwedgepsi)tochi)