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Mirrors > Home > ILE Home > Th. List > syl5eqel | GIF version |
Description: B membership and equality inference. (Contributed by NM, 4-Jan-2006.) |
Ref | Expression |
---|---|
syl5eqel.1 | ⊢ 𝐴 = 𝐵 |
syl5eqel.2 | ⊢ (𝜑 → 𝐵 ∈ 𝐶) |
Ref | Expression |
---|---|
syl5eqel | ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl5eqel.1 | . . 3 ⊢ 𝐴 = 𝐵 | |
2 | 1 | a1i 9 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) |
3 | syl5eqel.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝐶) | |
4 | 2, 3 | eqeltrd 2155 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
Colors of variables: wff set class |
Syntax hints: → wi 4 = wceq 1284 ∈ wcel 1433 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-4 1440 ax-17 1459 ax-ial 1467 ax-ext 2063 |
This theorem depends on definitions: df-bi 115 df-cleq 2074 df-clel 2077 |
This theorem is referenced by: syl5eqelr 2166 csbexga 3906 otexg 3985 tpexg 4197 dmresexg 4652 f1oabexg 5158 funfvex 5212 riotaexg 5492 riotaprop 5511 fnovex 5558 ovexg 5559 fovrn 5663 fnovrn 5668 cofunexg 5758 cofunex2g 5759 abrexex2g 5767 xpexgALT 5780 mpt2fvex 5849 tfrex 5977 frec0g 6006 ecexg 6133 qsexg 6185 diffifi 6378 fnfi 6388 funrnfi 6392 infclti 6436 addvalex 7012 negcl 7308 intqfrac2 9321 intfracq 9322 frecuzrdgrrn 9410 ibcval5 9690 climmpt 10139 ialgcvg 10430 ialgcvga 10433 ialgfx 10434 eucialgcvga 10440 eucialg 10441 bj-snexg 10703 |
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