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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 5115 | . . 3 ⊢ (𝑥 = 𝐵 → (𝐴𝑅𝑥 ↔ 𝐴𝑅𝐵)) | |
| 2 | 1 | ralbidv 3194 | . 2 ⊢ (𝑥 = 𝐵 → (∀𝑦 ∈ 𝑌 𝐴𝑅𝑥 ↔ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵)) |
| 3 | 2 | rspcev 3588 | 1 ⊢ ((𝐵 ∈ 𝑋 ∧ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵) → ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑌 𝐴𝑅𝑥) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1567 ∈ wcel 2149 ∀wral 3085 ∃wrex 3095 class class class wbr 5111 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-ral 3086 df-rex 3096 df-rab 3423 df-v 3463 df-dif 3914 df-un 3916 df-ss 3928 df-nul 4293 df-if 4491 df-sn 4593 df-pr 4595 df-op 4599 df-br 5112 |
| This theorem is referenced by: axpre-sup 11154 fimaxre2 12160 supaddc 12182 supadd 12183 supmul1 12184 supmullem2 12186 supmul 12187 rpnnen1lem2 13001 iccsupr 13469 supicc 13528 supiccub 13529 supicclub 13530 flval3 13848 fsequb 14011 01sqrexlem3 15295 caubnd2 15409 caubnd 15410 lo1bdd2 15575 lo1bddrp 15576 climcnds 15905 ruclem12 16297 maxprmfct 16768 prmreclem1 16976 prmreclem6 16981 ramz 17085 pgpssslw 19684 gexex 19923 icccmplem2 24950 icccmplem3 24951 reconnlem2 24954 cnllycmp 25084 cncmet 25450 ivthlem2 25580 ivthlem3 25581 cniccbdd 25589 ovolunlem1 25625 ovoliunlem1 25630 ovoliun2 25634 ioombl1lem4 25689 uniioombllem2 25711 uniioombllem6 25716 mbfinf 25793 mbflimsup 25794 itg1climres 25842 itg2i1fseq 25883 itg2i1fseq2 25884 itg2cnlem1 25889 plyeq0lem 26336 ulmbdd 26527 mtestbdd 26534 iblulm 26536 emcllem6 27131 lgambdd 27167 ftalem3 27205 ubthlem2 31164 ubthlem3 31165 htthlem 31210 rge0scvg 34284 esumpcvgval 34413 oddpwdc 34689 mblfinlem3 38233 ismblfin 38235 itg2addnc 38248 ubelsupr 45667 rexabslelem 46059 limsupubuz 46354 liminfreuzlem 46443 dvdivbd 46564 sge0supre 47030 sge0rnbnd 47034 meaiuninc2 47123 hoidmvlelem1 47236 hoidmvlelem4 47239 smfinflem 47458 |
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