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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 5104 | . . 3 ⊢ (𝑥 = 𝐵 → (𝐴𝑅𝑥 ↔ 𝐴𝑅𝐵)) | |
| 2 | 1 | ralbidv 3161 | . 2 ⊢ (𝑥 = 𝐵 → (∀𝑦 ∈ 𝑌 𝐴𝑅𝑥 ↔ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵)) |
| 3 | 2 | rspcev 3578 | 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 5100 |
| 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 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 |
| This theorem is referenced by: axpre-sup 11094 fimaxre2 12101 supaddc 12123 supadd 12124 supmul1 12125 supmullem2 12127 supmul 12128 rpnnen1lem2 12904 iccsupr 13372 supicc 13431 supiccub 13432 supicclub 13433 flval3 13749 fsequb 13912 01sqrexlem3 15181 caubnd2 15295 caubnd 15296 lo1bdd2 15461 lo1bddrp 15462 climcnds 15788 ruclem12 16180 maxprmfct 16650 prmreclem1 16858 prmreclem6 16863 ramz 16967 pgpssslw 19560 gexex 19799 icccmplem2 24785 icccmplem3 24786 reconnlem2 24789 cnllycmp 24928 cncmet 25295 ivthlem2 25426 ivthlem3 25427 cniccbdd 25435 ovolunlem1 25471 ovoliunlem1 25476 ovoliun2 25480 ioombl1lem4 25535 uniioombllem2 25557 uniioombllem6 25562 mbfinf 25639 mbflimsup 25640 itg1climres 25688 itg2i1fseq 25729 itg2i1fseq2 25730 itg2cnlem1 25735 plyeq0lem 26188 ulmbdd 26380 mtestbdd 26387 iblulm 26389 emcllem6 26984 lgambdd 27020 ftalem3 27058 ubthlem2 30965 ubthlem3 30966 htthlem 31011 rge0scvg 34133 esumpcvgval 34262 oddpwdc 34538 mblfinlem3 37939 ismblfin 37941 itg2addnc 37954 ubelsupr 45409 rexabslelem 45805 limsupubuz 46100 liminfreuzlem 46189 dvdivbd 46310 sge0supre 46776 sge0rnbnd 46780 meaiuninc2 46869 hoidmvlelem1 46982 hoidmvlelem4 46985 smfinflem 47204 |
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