bsylan9

Theorem.

Arguments:

(pr), (pr), (pr), (pr), (pr),

Hypotheses:

(())

(())

Assertions:

(()())

Proof:

Hyp	Ref	Line	Expr
	Hypo	1	(())
		2	(())
2	adan>	3	(()())
1	adan<	4	(()())
3, 4	bitrd	5	(()())