brismu bridi |
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Description: Due to ax-ex 342 there will always be a spurious witness to any true bridi. Theorem 19.8a in [ILE] p. 0. (Contributed by la korvo, 23-Jun-2024.) |
Ref | Expression |
---|---|
wit | ⊢ ganai broda gi su'o da zo'u broda |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 17 | . . 3 ⊢ ganai su'o da zo'u broda gi su'o da zo'u broda | |
2 | ax-eb 343 | . . . 4 ⊢ ganai su'o da zo'u broda gi ro da zo'u su'o da zo'u broda | |
3 | 2 | eqih 347 | . . 3 ⊢ go ro da zo'u ganai broda gi su'o da zo'u broda gi ganai su'o da zo'u broda gi su'o da zo'u broda |
4 | 1, 3 | bi-rev 70 | . 2 ⊢ ro da zo'u ganai broda gi su'o da zo'u broda |
5 | 4 | spec1i 182 | 1 ⊢ ganai broda gi su'o da zo'u broda |
Colors of variables: sumti selbri bridi |
Syntax hints: ganai bgan 9 ro brd 177 su'o bsd 340 |
This theorem was proved from axioms: ax-mp 10 ax-k 11 ax-s 14 ax-ge-le 34 ax-ge-re 35 ax-ge-in 36 ax-gen1 179 ax-spec1 181 ax-eb 343 ax-eq 345 |
This theorem depends on definitions: df-go 52 |
This theorem is referenced by: subeq-lem1 353 |
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