bi.bldsbt

Theorem.

Arguments:

(st), (sv), (pr), (pr),

Assertions:

(()([/][/]))

Proof:

Hyp	Ref	Line	Expr
	spec	1	(()[/]())
	sb-bi	2	([/]()([/][/]))
1, 2	brpi22	3	(()([/][/]))