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Mirrors > Home > MPE Home > Th. List > bimsc1 | Structured version Visualization version Unicode version |
Description: Removal of conjunct from one side of an equivalence. (Contributed by NM, 21-Jun-1993.) |
Ref | Expression |
---|---|
bimsc1 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 463 |
. . . 4
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2 | ancr 552 |
. . . 4
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3 | 1, 2 | impbid2 208 |
. . 3
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4 | 3 | bibi2d 320 |
. 2
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5 | 4 | biimpa 487 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() |
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 189 df-an 373 |
This theorem is referenced by: bm1.3ii 4527 |
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