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Mirrors > Home > ILE Home > Th. List > biadan2 | Unicode version |
Description: Add a conjunction to an equivalence. (Contributed by Jeff Madsen, 20-Jun-2011.) |
Ref | Expression |
---|---|
biadan2.1 |
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biadan2.2 |
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Ref | Expression |
---|---|
biadan2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biadan2.1 |
. . 3
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2 | 1 | pm4.71ri 390 |
. 2
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3 | biadan2.2 |
. . 3
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4 | 3 | pm5.32i 450 |
. 2
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5 | 2, 4 | bitri 183 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: elab4g 2837 elpwb 3525 ssdifsn 3659 brab2a 4600 brab2ga 4622 elovmpo 5979 eqop2 6084 elnnnn0 9044 elixx3g 9714 elfzo2 9958 1nprm 11831 |
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