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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 5070 | . . 3 ⊢ (𝑥 = 𝐵 → (𝐴𝑅𝑥 ↔ 𝐴𝑅𝐵)) | |
2 | 1 | ralbidv 3197 | . 2 ⊢ (𝑥 = 𝐵 → (∀𝑦 ∈ 𝑌 𝐴𝑅𝑥 ↔ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵)) |
3 | 2 | rspcev 3623 | 1 ⊢ ((𝐵 ∈ 𝑋 ∧ ∀𝑦 ∈ 𝑌 𝐴𝑅𝐵) → ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑌 𝐴𝑅𝑥) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ∀wral 3138 ∃wrex 3139 class class class wbr 5066 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-br 5067 |
This theorem is referenced by: axpre-sup 10591 fimaxre2 11586 supaddc 11608 supadd 11609 supmul1 11610 supmullem2 11612 supmul 11613 rpnnen1lem2 12377 iccsupr 12831 supicc 12887 supiccub 12888 supicclub 12889 flval3 13186 fsequb 13344 sqrlem3 14604 caubnd2 14717 caubnd 14718 lo1bdd2 14881 lo1bddrp 14882 climcnds 15206 ruclem12 15594 maxprmfct 16053 prmreclem1 16252 prmreclem6 16257 ramz 16361 pgpssslw 18739 gexex 18973 icccmplem2 23431 icccmplem3 23432 reconnlem2 23435 cnllycmp 23560 cncmet 23925 ivthlem2 24053 ivthlem3 24054 cniccbdd 24062 ovolunlem1 24098 ovoliunlem1 24103 ovoliun2 24107 ioombl1lem4 24162 uniioombllem2 24184 uniioombllem6 24189 mbfinf 24266 mbflimsup 24267 itg1climres 24315 itg2i1fseq 24356 itg2i1fseq2 24357 itg2cnlem1 24362 plyeq0lem 24800 ulmbdd 24986 mtestbdd 24993 iblulm 24995 emcllem6 25578 lgambdd 25614 ftalem3 25652 ubthlem2 28648 ubthlem3 28649 htthlem 28694 rge0scvg 31192 esumpcvgval 31337 oddpwdc 31612 mblfinlem3 34946 ismblfin 34948 itg2addnc 34961 ubelsupr 41326 rexabslelem 41741 limsupubuz 42043 liminfreuzlem 42132 dvdivbd 42257 sge0supre 42720 sge0rnbnd 42724 meaiuninc2 42813 hoidmvlelem1 42926 hoidmvlelem4 42929 smfinflem 43140 |
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