| Mathbox for Anthony Hart |
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Related theorems Unicode version |
| Description: Anything implies |
| Ref | Expression |
|---|---|
| AiT |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tru 1264 |
. 2
| |
| 2 | 1 | a1i 8 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 164 df-tru 1262 |