Theorem imim12 97

Description: Closed form of imim12i 57 and of 3syl 20. (Contributed by BJ, 16-Jul-2019.)

Assertion

Ref	Expression
imim12

Proof of Theorem imim12

Step	Hyp	Ref	Expression
1		imim2 53	. . . 4
2	1	com13 80	. . 3
3	2	imim2i 14	. 2
4	3	com24 87	1

Syntax hints:  ->wi 4

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7