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Mirrors > Home > ILE Home > Th. List > nottru | Unicode version |
Description: A ![]() |
Ref | Expression |
---|---|
nottru |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-fal 1249 |
. 2
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2 | 1 | bicomi 123 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 |
This theorem depends on definitions: df-bi 110 df-fal 1249 |
This theorem is referenced by: truxortru 1310 |
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