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Mirrors > Home > ILE Home > Th. List > raleqi | GIF version |
Description: Equality inference for restricted universal qualifier. (Contributed by Paul Chapman, 22-Jun-2011.) |
Ref | Expression |
---|---|
raleq1i.1 | ⊢ 𝐴 = 𝐵 |
Ref | Expression |
---|---|
raleqi | ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐵 𝜑) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | raleq1i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
2 | raleq 2670 | . 2 ⊢ (𝐴 = 𝐵 → (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐵 𝜑)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐵 𝜑) |
Colors of variables: wff set class |
Syntax hints: ↔ wb 105 = wceq 1353 ∀wral 2453 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-ext 2157 |
This theorem depends on definitions: df-bi 117 df-tru 1356 df-nf 1459 df-sb 1761 df-cleq 2168 df-clel 2171 df-nfc 2306 df-ral 2458 |
This theorem is referenced by: ralrab2 2900 ralprg 3640 raltpg 3642 omsinds 4615 ralxp 4763 ralrnmpo 5979 nnnninfeq2 7117 fzprval 10052 fztpval 10053 seq3f1olemp 10472 zsumdc 11360 zproddc 11555 infssuzex 11917 2prm 12094 nninfsellemdc 14320 nninfsellemsuc 14322 |
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