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| Mirrors > Home > ILE Home > Th. List > raleqbidv | GIF version | ||
| Description: Equality deduction for restricted universal quantifier. (Contributed by NM, 6-Nov-2007.) |
| Ref | Expression |
|---|---|
| raleqbidv.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| raleqbidv.2 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| Ref | Expression |
|---|---|
| raleqbidv | ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | raleqbidv.1 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | 1 | raleqdv 2755 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜓)) |
| 3 | raleqbidv.2 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 4 | 3 | ralbidv 2550 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ 𝐵 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜒)) |
| 5 | 2, 4 | bitrd 188 | 1 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜒)) |
| 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: rspc2vd 3216 ofrfval 6315 fmpox 6440 tfrlemi1 6608 supeq123d 7337 acneq 7564 cvg1nlemcau 11771 cvg1nlemres 11772 cau3lem 11902 fsum2dlemstep 12225 fisumcom2 12229 fprod2dlemstep 12413 fprodcom2fi 12417 pcfac 13157 ptex 13676 ismgm 13735 mgm1 13748 grpidvalg 13751 gzsumress 13770 issgrp 13776 sgrp1 13784 sgrppropd 13786 ismnddef 13789 ismndd 13808 mndpropd 13811 mnd1 13820 ismhm 13826 mhmex 13827 resmhm 13852 isgrp 13869 grppropd 13880 isgrpd2e 13883 grp1 13969 isnsg 14063 nmznsg 14074 isghm 14104 cmnpropd 14187 iscmnd 14190 prdsex 14278 prdsval 14279 isrng 14339 rngpropd 14360 dfur2g 14372 issrg 14375 issrgid 14391 isring 14410 iscrng2 14425 ringideu 14427 isringid 14436 ringpropd 14449 ring1 14470 oppr0g 14495 oppr1g 14496 isrhm2d 14580 rhmopp 14591 islring 14607 opprlring 14612 rrgval 14678 isdomn 14686 opprdomnbg 14691 islmod 14735 islmodd 14737 lmodprop2d 14793 lsssetm 14801 islidlm 14924 rnglidlmmgm 14941 rnglidlmsgrp 14942 isassa 15110 isassad 15119 assapropd 15122 istopg 15242 restbasg 15411 cnfval 15437 cnpfval 15438 txbas 15501 limccl 15902 iswlk 16786 isclwwlk 16857 sscoll2 17236 |
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