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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 5114 | . . 3 ⊢ (𝑥 = 𝐵 → (𝐴𝑅𝑥 ↔ 𝐴𝑅𝐵)) | |
2 | 1 | ralbidv 3170 | . 2 ⊢ (𝑥 = 𝐵 → (∀𝑦 ∈ 𝑌 𝐴𝑅𝑥 ↔ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵)) |
3 | 2 | rspcev 3582 | 1 ⊢ ((𝐵 ∈ 𝑋 ∧ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵) → ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑌 𝐴𝑅𝑥) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ∀wral 3060 ∃wrex 3069 class class class wbr 5110 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2702 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-sb 2068 df-clab 2709 df-cleq 2723 df-clel 2809 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-sn 4592 df-pr 4594 df-op 4598 df-br 5111 |
This theorem is referenced by: axpre-sup 11114 fimaxre2 12109 supaddc 12131 supadd 12132 supmul1 12133 supmullem2 12135 supmul 12136 rpnnen1lem2 12911 iccsupr 13369 supicc 13428 supiccub 13429 supicclub 13430 flval3 13730 fsequb 13890 01sqrexlem3 15141 caubnd2 15254 caubnd 15255 lo1bdd2 15418 lo1bddrp 15419 climcnds 15747 ruclem12 16134 maxprmfct 16596 prmreclem1 16799 prmreclem6 16804 ramz 16908 pgpssslw 19410 gexex 19645 icccmplem2 24223 icccmplem3 24224 reconnlem2 24227 cnllycmp 24356 cncmet 24723 ivthlem2 24853 ivthlem3 24854 cniccbdd 24862 ovolunlem1 24898 ovoliunlem1 24903 ovoliun2 24907 ioombl1lem4 24962 uniioombllem2 24984 uniioombllem6 24989 mbfinf 25066 mbflimsup 25067 itg1climres 25116 itg2i1fseq 25157 itg2i1fseq2 25158 itg2cnlem1 25163 plyeq0lem 25608 ulmbdd 25794 mtestbdd 25801 iblulm 25803 emcllem6 26387 lgambdd 26423 ftalem3 26461 ubthlem2 29876 ubthlem3 29877 htthlem 29922 rge0scvg 32619 esumpcvgval 32766 oddpwdc 33043 mblfinlem3 36190 ismblfin 36192 itg2addnc 36205 ubelsupr 43347 rexabslelem 43773 limsupubuz 44074 liminfreuzlem 44163 dvdivbd 44284 sge0supre 44750 sge0rnbnd 44754 meaiuninc2 44843 hoidmvlelem1 44956 hoidmvlelem4 44959 smfinflem 45178 |
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