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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 5079 | . . 3 ⊢ (𝑥 = 𝐵 → (𝐴𝑅𝑥 ↔ 𝐴𝑅𝐵)) | |
| 2 | 1 | ralbidv 3164 | . 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 397 = wceq 1548 ∈ wcel 2121 ∀wral 3055 ∃wrex 3065 class class class wbr 5075 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-ral 3056 df-rex 3066 df-rab 3394 df-v 3435 df-dif 3888 df-un 3890 df-ss 3902 df-nul 4265 df-if 4458 df-sn 4559 df-pr 4561 df-op 4565 df-br 5076 |
| This theorem is referenced by: axpre-sup 11087 fimaxre2 12096 supaddc 12118 supadd 12119 supmul1 12120 supmullem2 12122 supmul 12123 rpnnen1lem2 12922 iccsupr 13390 supicc 13449 supiccub 13450 supicclub 13451 flval3 13769 fsequb 13932 01sqrexlem3 15201 caubnd2 15315 caubnd 15316 lo1bdd2 15481 lo1bddrp 15482 climcnds 15811 ruclem12 16203 maxprmfct 16674 prmreclem1 16882 prmreclem6 16887 ramz 16991 pgpssslw 19584 gexex 19823 icccmplem2 24811 icccmplem3 24812 reconnlem2 24815 cnllycmp 24945 cncmet 25311 ivthlem2 25441 ivthlem3 25442 cniccbdd 25450 ovolunlem1 25486 ovoliunlem1 25491 ovoliun2 25495 ioombl1lem4 25550 uniioombllem2 25572 uniioombllem6 25577 mbfinf 25654 mbflimsup 25655 itg1climres 25703 itg2i1fseq 25744 itg2i1fseq2 25745 itg2cnlem1 25750 plyeq0lem 26197 ulmbdd 26385 mtestbdd 26392 iblulm 26394 emcllem6 26986 lgambdd 27022 ftalem3 27060 ubthlem2 30964 ubthlem3 30965 htthlem 31010 rge0scvg 34145 esumpcvgval 34274 oddpwdc 34550 mblfinlem3 38041 ismblfin 38043 itg2addnc 38056 ubelsupr 45483 rexabslelem 45875 limsupubuz 46170 liminfreuzlem 46259 dvdivbd 46380 sge0supre 46846 sge0rnbnd 46850 meaiuninc2 46939 hoidmvlelem1 47052 hoidmvlelem4 47055 smfinflem 47274 |
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