an.ordi>

Theorem.

Arguments:

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

Assertions:

((())(()()))

Proof:

Hyp	Ref	Line	Expr
	ancom	1	((())(()))
	an.ordi<	2	((())(()()))
1, 2	bitr	3	((())(()()))
	ancom	4	(()())
	ancom	5	(()())
4, 5	bi.bldor<>	6	((()())(()()))
3, 6	bitr	7	((())(()()))