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Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-godellob | Structured version Visualization version Unicode version |
Description: Proof of Gödel's theorem from Löb's theorem (see comments at bj-babygodel 32588 and bj-babylob 32589 for details). (Contributed by BJ, 20-Apr-2019.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
bj-godellob.s | Prv |
bj-godellob.1 | Prv |
Ref | Expression |
---|---|
bj-godellob |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bj-godellob.s | . . 3 Prv | |
2 | dfnot 1502 | . . 3 Prv Prv | |
3 | 1, 2 | bitri 264 | . 2 Prv |
4 | bj-godellob.1 | . . 3 Prv | |
5 | 4 | pm2.21i 116 | . 2 Prv |
6 | 3, 5 | bj-babylob 32589 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wfal 1488 Prv cprvb 32582 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-prv1 32583 ax-prv2 32584 ax-prv3 32585 |
This theorem depends on definitions: df-bi 197 df-tru 1486 df-fal 1489 |
This theorem is referenced by: (None) |
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