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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 5090 | . . 3 ⊢ (𝑥 = 𝐵 → (𝐴𝑅𝑥 ↔ 𝐴𝑅𝐵)) | |
| 2 | 1 | ralbidv 3161 | . 2 ⊢ (𝑥 = 𝐵 → (∀𝑦 ∈ 𝑌 𝐴𝑅𝑥 ↔ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵)) |
| 3 | 2 | rspcev 3565 | 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 3062 class class class wbr 5086 |
| 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 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 |
| 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 24803 icccmplem3 24804 reconnlem2 24807 cnllycmp 24937 cncmet 25303 ivthlem2 25433 ivthlem3 25434 cniccbdd 25442 ovolunlem1 25478 ovoliunlem1 25483 ovoliun2 25487 ioombl1lem4 25542 uniioombllem2 25564 uniioombllem6 25569 mbfinf 25646 mbflimsup 25647 itg1climres 25695 itg2i1fseq 25736 itg2i1fseq2 25737 itg2cnlem1 25742 plyeq0lem 26189 ulmbdd 26380 mtestbdd 26387 iblulm 26389 emcllem6 26982 lgambdd 27018 ftalem3 27056 ubthlem2 30961 ubthlem3 30962 htthlem 31007 rge0scvg 34113 esumpcvgval 34242 oddpwdc 34518 mblfinlem3 38000 ismblfin 38002 itg2addnc 38015 ubelsupr 45475 rexabslelem 45870 limsupubuz 46165 liminfreuzlem 46254 dvdivbd 46375 sge0supre 46841 sge0rnbnd 46845 meaiuninc2 46934 hoidmvlelem1 47047 hoidmvlelem4 47050 smfinflem 47269 |
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