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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 3963 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → (𝑥 ∈ 𝐴 → 𝑥 ∈ 𝐵)) | |
2 | 1 | anim1d 612 | . 2 ⊢ (𝐴 ⊆ 𝐵 → ((𝑥 ∈ 𝐴 ∧ 𝜑) → (𝑥 ∈ 𝐵 ∧ 𝜑))) |
3 | 2 | reximdv2 3273 | 1 ⊢ (𝐴 ⊆ 𝐵 → (∃𝑥 ∈ 𝐴 𝜑 → ∃𝑥 ∈ 𝐵 𝜑)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 ∃wrex 3141 ⊆ wss 3938 |
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 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-rex 3146 df-in 3945 df-ss 3954 |
This theorem is referenced by: ss2rexv 4038 ssn0rex 4317 iunss1 4935 onfr 6232 moriotass 7148 frxp 7822 frfi 8765 fisupcl 8935 supgtoreq 8936 brwdom3 9048 unwdomg 9050 tcrank 9315 hsmexlem2 9851 pwfseqlem3 10084 grur1 10244 suplem1pr 10476 fimaxre2 11588 suprfinzcl 12100 lbzbi 12339 suprzub 12342 uzsupss 12343 zmin 12347 ssnn0fi 13356 elss2prb 13848 scshwfzeqfzo 14190 rexico 14715 rlim3 14857 rlimclim 14905 caurcvgr 15032 alzdvds 15672 bitsfzolem 15785 pclem 16177 0ram2 16359 0ramcl 16361 symgextfo 18552 lsmless1x 18771 lsmless2x 18772 dprdss 19153 ablfac2 19213 subrgdvds 19551 ssrest 21786 locfincf 22141 fbun 22450 fgss 22483 isucn2 22890 metust 23170 psmetutop 23179 lebnumlem3 23569 lebnum 23570 cfil3i 23874 cfilss 23875 fgcfil 23876 iscau4 23884 ivthle 24059 ivthle2 24060 lhop1lem 24612 lhop2 24614 ply1divex 24732 plyss 24791 dgrlem 24821 elqaa 24913 aannenlem2 24920 reeff1olem 25036 rlimcnp 25545 ftalem3 25654 2sqreultblem 26026 2sqreunnlem1 26027 2sqreunnltblem 26029 pntlem3 26187 tgisline 26415 axcontlem2 26753 frgrwopreg1 28099 frgrwopreg2 28100 shless 29138 xlt2addrd 30484 ssnnssfz 30512 xreceu 30600 archirngz 30820 archiabllem1b 30823 locfinreflem 31106 crefss 31115 esumpcvgval 31339 sigaclci 31393 eulerpartlemgvv 31636 eulerpartlemgh 31638 signsply0 31823 iccllysconn 32499 satfvsucsuc 32614 frmin 33086 fgmin 33720 knoppndvlem18 33870 poimirlem26 34920 poimirlem30 34924 volsupnfl 34939 cover2 34991 filbcmb 35017 istotbnd3 35051 sstotbnd 35055 heibor1lem 35089 isdrngo2 35238 isdrngo3 35239 qsss1 35547 islsati 36132 paddss1 36955 paddss2 36956 hdmap14lem2a 39005 prjspreln0 39266 pellfundre 39485 pellfundge 39486 pellfundglb 39489 hbtlem3 39734 hbtlem5 39735 itgoss 39770 radcnvrat 40653 fiminre2 41653 uzubico 41851 uzubico2 41853 climleltrp 41964 fourierdlem20 42419 smflimlem2 43055 iccelpart 43600 fmtnofac2 43738 ssnn0ssfz 44404 pgrpgt2nabl 44421 eenglngeehlnmlem1 44731 |
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