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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 2736 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜓)) |
| 3 | raleqbidv.2 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 4 | 3 | ralbidv 2532 | . 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 |
| Syntax hints: → wi 4 ↔ wb 105 = wceq 1397 ∀wral 2510 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 |
| This theorem is referenced by: rspc2vd 3196 ofrfval 6244 fmpox 6365 tfrlemi1 6498 supeq123d 7190 acneq 7417 cvg1nlemcau 11562 cvg1nlemres 11563 cau3lem 11692 fsum2dlemstep 12013 fisumcom2 12017 fprod2dlemstep 12201 fprodcom2fi 12205 pcfac 12941 ptex 13365 prdsex 13370 prdsval 13374 ismgm 13458 mgm1 13471 grpidvalg 13474 gsumress 13496 issgrp 13504 sgrp1 13512 sgrppropd 13514 ismnddef 13519 ismndd 13538 mndpropd 13541 mnd1 13556 ismhm 13562 mhmex 13563 resmhm 13588 isgrp 13607 grppropd 13618 isgrpd2e 13621 grp1 13707 isnsg 13807 nmznsg 13818 isghm 13848 cmnpropd 13900 iscmnd 13903 isrng 13966 rngpropd 13987 dfur2g 13994 issrg 13997 issrgid 14013 isring 14032 iscrng2 14047 ringideu 14049 isringid 14057 ringpropd 14070 ring1 14091 oppr0g 14113 oppr1g 14114 isrhm2d 14198 rhmopp 14209 islring 14225 rrgval 14295 isdomn 14302 opprdomnbg 14307 islmod 14324 islmodd 14326 lmodprop2d 14381 lsssetm 14389 islidlm 14512 rnglidlmmgm 14529 rnglidlmsgrp 14530 mplvalcoe 14723 istopg 14742 restbasg 14911 cnfval 14937 cnpfval 14938 txbas 15001 limccl 15402 iswlk 16193 isclwwlk 16264 sscoll2 16634 |
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