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| Mirrors > Home > ILE Home > Th. List > raleq | GIF version | ||
| Description: Equality theorem for restricted universal quantifier. (Contributed by NM, 16-Nov-1995.) |
| Ref | Expression |
|---|---|
| raleq | ⊢ (𝐴 = 𝐵 → (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐵 𝜑)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2392 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | nfcv 2392 | . 2 ⊢ Ⅎ𝑥𝐵 | |
| 3 | 1, 2 | raleqf 2745 | 1 ⊢ (𝐴 = 𝐵 → (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐵 𝜑)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 105 = wceq 1402 ∀wral 2528 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 |
| This theorem is used by: raleqi 2753 raleqdv 2755 raleqbi1dv 2761 sbralie 2804 inteq 3973 iineq1 4026 bnd2 4312 frforeq2 4492 weeq2 4504 ordeq 4519 reg2exmid 4685 reg3exmid 4729 omsinds 4771 fncnv 5450 funimaexglem 5467 isoeq4 6013 acexmidlemv 6086 tfrlem1 6584 tfr0dm 6598 tfrlemisucaccv 6601 tfrlemi1 6608 tfrlemi14d 6609 tfrexlem 6610 tfr1onlemsucaccv 6617 tfr1onlemaccex 6624 tfr1onlemres 6625 tfrcllemsucaccv 6630 tfrcllembxssdm 6632 tfrcllemaccex 6637 tfrcllemres 6638 tfrcldm 6639 ixpeq1 6997 ac6sfi 7208 fimax2gtri 7212 dcfi 7320 supeq1 7332 supeq2 7335 nnnninfeq2 7475 isomni 7482 ismkv 7499 iswomni 7511 acneq 7564 papeq2 7616 tapeq2 7625 sup3exmid 9295 rexanuz 11775 rexfiuz 11776 fimaxre2 12015 fiidxsupcl 12017 modfsummod 12249 mhmpropd 13831 isghm 14104 cntzval 14152 iscmn 14185 srgideu 14382 dfrhm2 14569 psrbagmaxlem1 15178 cnprcl2k 15449 ispsmet 15566 ismet 15587 isxmet 15588 cncfval 15815 dvcn 15943 setindis 17215 bdsetindis 17217 strcoll2 17231 strcollnfALT 17234 |
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