>2trg

Theorem.

Arguments:

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

Hypotheses:

()

()

(())

Assertions:

(())

Proof:

Hyp	Ref	Line	Expr
	Hypo	1	()
		2	()
		3	(())
1, 2, 3	eqt<>i	4	(())