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Mirrors > Home > MPE Home > Th. List > ssrexv | Structured version Visualization version GIF version |
Description: Existential quantification restricted to a subclass. (Contributed by NM, 11-Jan-2007.) |
Ref | Expression |
---|---|
ssrexv | ⊢ (𝐴 ⊆ 𝐵 → (∃𝑥 ∈ 𝐴 𝜑 → ∃𝑥 ∈ 𝐵 𝜑)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssel 3964 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → (𝑥 ∈ 𝐴 → 𝑥 ∈ 𝐵)) | |
2 | 1 | anim1d 612 | . 2 ⊢ (𝐴 ⊆ 𝐵 → ((𝑥 ∈ 𝐴 ∧ 𝜑) → (𝑥 ∈ 𝐵 ∧ 𝜑))) |
3 | 2 | reximdv2 3274 | 1 ⊢ (𝐴 ⊆ 𝐵 → (∃𝑥 ∈ 𝐴 𝜑 → ∃𝑥 ∈ 𝐵 𝜑)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2113 ∃wrex 3142 ⊆ wss 3939 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-clab 2803 df-cleq 2817 df-clel 2896 df-rex 3147 df-in 3946 df-ss 3955 |
This theorem is referenced by: ss2rexv 4039 ssn0rex 4318 iunss1 4936 onfr 6233 moriotass 7149 frxp 7823 frfi 8766 fisupcl 8936 supgtoreq 8937 brwdom3 9049 unwdomg 9051 tcrank 9316 hsmexlem2 9852 pwfseqlem3 10085 grur1 10245 suplem1pr 10477 fimaxre2 11589 suprfinzcl 12100 lbzbi 12339 suprzub 12342 uzsupss 12343 zmin 12347 ssnn0fi 13356 elss2prb 13848 scshwfzeqfzo 14191 rexico 14716 rlim3 14858 rlimclim 14906 caurcvgr 15033 alzdvds 15673 bitsfzolem 15786 pclem 16178 0ram2 16360 0ramcl 16362 symgextfo 18553 lsmless1x 18772 lsmless2x 18773 dprdss 19154 ablfac2 19214 subrgdvds 19552 ssrest 21787 locfincf 22142 fbun 22451 fgss 22484 isucn2 22891 metust 23171 psmetutop 23180 lebnumlem3 23570 lebnum 23571 cfil3i 23875 cfilss 23876 fgcfil 23877 iscau4 23885 ivthle 24060 ivthle2 24061 lhop1lem 24613 lhop2 24615 ply1divex 24733 plyss 24792 dgrlem 24822 elqaa 24914 aannenlem2 24921 reeff1olem 25037 rlimcnp 25546 ftalem3 25655 2sqreultblem 26027 2sqreunnlem1 26028 2sqreunnltblem 26030 pntlem3 26188 tgisline 26416 axcontlem2 26754 frgrwopreg1 28100 frgrwopreg2 28101 shless 29139 xlt2addrd 30485 ssnnssfz 30513 xreceu 30602 archirngz 30822 archiabllem1b 30825 locfinreflem 31108 crefss 31117 esumpcvgval 31341 sigaclci 31395 eulerpartlemgvv 31638 eulerpartlemgh 31640 signsply0 31825 iccllysconn 32501 satfvsucsuc 32616 frmin 33088 fgmin 33722 knoppndvlem18 33872 poimirlem26 34922 poimirlem30 34926 volsupnfl 34941 cover2 34993 filbcmb 35019 istotbnd3 35053 sstotbnd 35057 heibor1lem 35091 isdrngo2 35240 isdrngo3 35241 qsss1 35549 islsati 36134 paddss1 36957 paddss2 36958 hdmap14lem2a 39007 prjspreln0 39265 pellfundre 39484 pellfundge 39485 pellfundglb 39488 hbtlem3 39733 hbtlem5 39734 itgoss 39769 radcnvrat 40652 fiminre2 41652 uzubico 41850 uzubico2 41852 climleltrp 41963 fourierdlem20 42419 smflimlem2 43055 iccelpart 43600 fmtnofac2 43738 ssnn0ssfz 44404 pgrpgt2nabl 44421 eenglngeehlnmlem1 44731 |
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