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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 5106 | . . 3 ⊢ (𝑥 = 𝐵 → (𝐴𝑅𝑥 ↔ 𝐴𝑅𝐵)) | |
| 2 | 1 | ralbidv 3187 | . 2 ⊢ (𝑥 = 𝐵 → (∀𝑦 ∈ 𝑌 𝐴𝑅𝑥 ↔ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵)) |
| 3 | 2 | rspcev 3583 | 1 ⊢ ((𝐵 ∈ 𝑋 ∧ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵) → ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑌 𝐴𝑅𝑥) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1562 ∈ wcel 2144 ∀wral 3078 ∃wrex 3088 class class class wbr 5102 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-ral 3079 df-rex 3089 df-rab 3417 df-v 3458 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4288 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5103 |
| This theorem is referenced by: axpre-sup 11129 fimaxre2 12139 supaddc 12161 supadd 12162 supmul1 12163 supmullem2 12165 supmul 12166 rpnnen1lem2 12980 iccsupr 13448 supicc 13507 supiccub 13508 supicclub 13509 flval3 13827 fsequb 13990 01sqrexlem3 15273 caubnd2 15387 caubnd 15388 lo1bdd2 15553 lo1bddrp 15554 climcnds 15883 ruclem12 16275 maxprmfct 16746 prmreclem1 16954 prmreclem6 16959 ramz 17063 pgpssslw 19656 gexex 19895 icccmplem2 24886 icccmplem3 24887 reconnlem2 24890 cnllycmp 25020 cncmet 25386 ivthlem2 25516 ivthlem3 25517 cniccbdd 25525 ovolunlem1 25561 ovoliunlem1 25566 ovoliun2 25570 ioombl1lem4 25625 uniioombllem2 25647 uniioombllem6 25652 mbfinf 25729 mbflimsup 25730 itg1climres 25778 itg2i1fseq 25819 itg2i1fseq2 25820 itg2cnlem1 25825 plyeq0lem 26272 ulmbdd 26463 mtestbdd 26470 iblulm 26472 emcllem6 27067 lgambdd 27103 ftalem3 27141 ubthlem2 31076 ubthlem3 31077 htthlem 31122 rge0scvg 34248 esumpcvgval 34377 oddpwdc 34653 mblfinlem3 38163 ismblfin 38165 itg2addnc 38178 ubelsupr 45605 rexabslelem 45997 limsupubuz 46292 liminfreuzlem 46381 dvdivbd 46502 sge0supre 46968 sge0rnbnd 46972 meaiuninc2 47061 hoidmvlelem1 47174 hoidmvlelem4 47177 smfinflem 47396 |
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