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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 5103 | . . 3 ⊢ (𝑥 = 𝐵 → (𝐴𝑅𝑥 ↔ 𝐴𝑅𝐵)) | |
| 2 | 1 | ralbidv 3160 | . 2 ⊢ (𝑥 = 𝐵 → (∀𝑦 ∈ 𝑌 𝐴𝑅𝑥 ↔ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵)) |
| 3 | 2 | rspcev 3577 | 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 3052 ∃wrex 3061 class class class wbr 5099 |
| 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 2709 |
| 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 2716 df-cleq 2729 df-clel 2812 df-ral 3053 df-rex 3062 df-rab 3401 df-v 3443 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-br 5100 |
| This theorem is referenced by: axpre-sup 11084 fimaxre2 12091 supaddc 12113 supadd 12114 supmul1 12115 supmullem2 12117 supmul 12118 rpnnen1lem2 12894 iccsupr 13362 supicc 13421 supiccub 13422 supicclub 13423 flval3 13739 fsequb 13902 01sqrexlem3 15171 caubnd2 15285 caubnd 15286 lo1bdd2 15451 lo1bddrp 15452 climcnds 15778 ruclem12 16170 maxprmfct 16640 prmreclem1 16848 prmreclem6 16853 ramz 16957 pgpssslw 19547 gexex 19786 icccmplem2 24772 icccmplem3 24773 reconnlem2 24776 cnllycmp 24915 cncmet 25282 ivthlem2 25413 ivthlem3 25414 cniccbdd 25422 ovolunlem1 25458 ovoliunlem1 25463 ovoliun2 25467 ioombl1lem4 25522 uniioombllem2 25544 uniioombllem6 25549 mbfinf 25626 mbflimsup 25627 itg1climres 25675 itg2i1fseq 25716 itg2i1fseq2 25717 itg2cnlem1 25722 plyeq0lem 26175 ulmbdd 26367 mtestbdd 26374 iblulm 26376 emcllem6 26971 lgambdd 27007 ftalem3 27045 ubthlem2 30950 ubthlem3 30951 htthlem 30996 rge0scvg 34108 esumpcvgval 34237 oddpwdc 34513 mblfinlem3 37862 ismblfin 37864 itg2addnc 37877 ubelsupr 45332 rexabslelem 45729 limsupubuz 46024 liminfreuzlem 46113 dvdivbd 46234 sge0supre 46700 sge0rnbnd 46704 meaiuninc2 46793 hoidmvlelem1 46906 hoidmvlelem4 46909 smfinflem 47128 |
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