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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 2661 | . 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 104 = wceq 1343 ∀wral 2444 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-ext 2147 |
This theorem depends on definitions: df-bi 116 df-tru 1346 df-nf 1449 df-sb 1751 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 |
This theorem is referenced by: ralrab2 2891 ralprg 3627 raltpg 3629 omsinds 4599 ralxp 4747 ralrnmpo 5956 nnnninfeq2 7093 fzprval 10017 fztpval 10018 seq3f1olemp 10437 zsumdc 11325 zproddc 11520 infssuzex 11882 2prm 12059 nninfsellemdc 13890 nninfsellemsuc 13892 |
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