bj-falor2 - Mathbox for BJ

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Theorem bj-falor2 32570

Description: Dual of truan 1501. (Contributed by BJ, 26-Oct-2019.) (Proof modification is discouraged.)

**Assertion**
Ref	Expression
bj-falor2	$\/$

**Proof of Theorem bj-falor2**
Step	Hyp	Ref	Expression
1		falim 1498	. . 3
2	1	bj-jaoi1 32556	. 2 $\/$
3		olc 399	. 2 $\/$
4	2, 3	impbii 199	1 $\/$

Colors of variables: wff setvar class

Syntax hints:

wb 196 $\/$ wo 383

wfal 1488

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8

This theorem depends on definitions: df-bi 197 df-or 385 df-tru 1486 df-fal 1489

This theorem is referenced by: (None)