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Mirrors > Home > ILE Home > Th. List > simpr21 | Unicode version |
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.) |
Ref | Expression |
---|---|
simpr21 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp21 1025 |
. 2
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2 | 1 | adantl 275 |
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 df-3an 975 |
This theorem is referenced by: (None) |
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