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| Mirrors > Home > MPE Home > Th. List > brralrspcev | Structured version Visualization version GIF version | ||
| Description: Restricted existential specialization with a restricted universal quantifier over a relation, closed form. (Contributed by AV, 20-Aug-2022.) |
| Ref | Expression |
|---|---|
| brralrspcev | ⊢ ((𝐵 ∈ 𝑋 ∧ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵) → ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑌 𝐴𝑅𝑥) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq2 5078 | . . 3 ⊢ (𝑥 = 𝐵 → (𝐴𝑅𝑥 ↔ 𝐴𝑅𝐵)) | |
| 2 | 1 | ralbidv 3158 | . 2 ⊢ (𝑥 = 𝐵 → (∀𝑦 ∈ 𝑌 𝐴𝑅𝑥 ↔ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵)) |
| 3 | 2 | rspcev 3562 | 1 ⊢ ((𝐵 ∈ 𝑋 ∧ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵) → ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑌 𝐴𝑅𝑥) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3049 ∃wrex 3059 class class class wbr 5074 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2707 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2714 df-cleq 2727 df-clel 2810 df-ral 3050 df-rex 3060 df-rab 3388 df-v 3429 df-dif 3888 df-un 3890 df-ss 3902 df-nul 4264 df-if 4457 df-sn 4558 df-pr 4560 df-op 4564 df-br 5075 |
| This theorem is referenced by: axpre-sup 11081 fimaxre2 12090 supaddc 12112 supadd 12113 supmul1 12114 supmullem2 12116 supmul 12117 rpnnen1lem2 12916 iccsupr 13384 supicc 13443 supiccub 13444 supicclub 13445 flval3 13763 fsequb 13926 01sqrexlem3 15195 caubnd2 15309 caubnd 15310 lo1bdd2 15475 lo1bddrp 15476 climcnds 15805 ruclem12 16197 maxprmfct 16668 prmreclem1 16876 prmreclem6 16881 ramz 16985 pgpssslw 19578 gexex 19817 icccmplem2 24777 icccmplem3 24778 reconnlem2 24781 cnllycmp 24911 cncmet 25277 ivthlem2 25407 ivthlem3 25408 cniccbdd 25416 ovolunlem1 25452 ovoliunlem1 25457 ovoliun2 25461 ioombl1lem4 25516 uniioombllem2 25538 uniioombllem6 25543 mbfinf 25620 mbflimsup 25621 itg1climres 25669 itg2i1fseq 25710 itg2i1fseq2 25711 itg2cnlem1 25716 plyeq0lem 26163 ulmbdd 26351 mtestbdd 26358 iblulm 26360 emcllem6 26952 lgambdd 26988 ftalem3 27026 ubthlem2 30930 ubthlem3 30931 htthlem 30976 rge0scvg 34081 esumpcvgval 34210 oddpwdc 34486 mblfinlem3 37968 ismblfin 37970 itg2addnc 37983 ubelsupr 45439 rexabslelem 45834 limsupubuz 46129 liminfreuzlem 46218 dvdivbd 46339 sge0supre 46805 sge0rnbnd 46809 meaiuninc2 46898 hoidmvlelem1 47011 hoidmvlelem4 47014 smfinflem 47233 |
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