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Mirrors > Home > ILE Home > Th. List > a1tru | Unicode version |
Description: Anything implies . (Contributed by FL, 20-Mar-2011.) (Proof shortened by Anthony Hart, 1-Aug-2011.) |
Ref | Expression |
---|---|
a1tru |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tru 1288 | . 2 | |
2 | 1 | a1i 9 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wtru 1285 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 |
This theorem depends on definitions: df-bi 115 df-tru 1287 |
This theorem is referenced by: euotd 4009 elabrex 5418 riota5f 5512 bj-nn0suc0 10745 |
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