eqneqi

Theorem.

Arguments:

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

Hypotheses:

(()())

Assertions:

(()())

Proof:

Hyp	Ref	Line	Expr
	Hypo	1	(()())
1	bi.bldneg	2	(()())
	df-neq	3	(()())
	df-neq	4	(()())
2, 3, 4	<2bitr	5	(()())