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Mirrors > Home > MPE Home > Th. List > Mathboxes > prvlem1 | Structured version Visualization version Unicode version |
Description: An elementary property of the provability predicate. (Contributed by BJ, 3-Apr-2019.) |
Ref | Expression |
---|---|
prvlem1.1 |
Ref | Expression |
---|---|
prvlem1 | Prv Prv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | prvlem1.1 | . . 3 | |
2 | 1 | ax-prv1 32583 | . 2 Prv |
3 | ax-prv2 32584 | . 2 Prv Prv Prv | |
4 | 2, 3 | ax-mp 5 | 1 Prv Prv |
Colors of variables: wff setvar class |
Syntax hints: wi 4 Prv cprvb 32582 |
This theorem was proved from axioms: ax-mp 5 ax-prv1 32583 ax-prv2 32584 |
This theorem is referenced by: prvlem2 32587 bj-babygodel 32588 |
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