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| Mirrors > Home > MPE Home > Th. List > spcedv | Structured version Visualization version GIF version | ||
| Description: Existential specialization, using implicit substitution, deduction version. (Contributed by RP, 12-Aug-2020.) (Revised by AV, 16-Aug-2024.) |
| Ref | Expression |
|---|---|
| spcedv.1 | ⊢ (𝜑 → 𝑋 ∈ 𝑉) |
| spcedv.2 | ⊢ (𝜑 → 𝜒) |
| spcedv.3 | ⊢ (𝑥 = 𝑋 → (𝜓 ↔ 𝜒)) |
| Ref | Expression |
|---|---|
| spcedv | ⊢ (𝜑 → ∃𝑥𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | spcedv.1 | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝑉) | |
| 2 | spcedv.2 | . 2 ⊢ (𝜑 → 𝜒) | |
| 3 | spcedv.3 | . . 3 ⊢ (𝑥 = 𝑋 → (𝜓 ↔ 𝜒)) | |
| 4 | 3 | spcegv 3551 | . 2 ⊢ (𝑋 ∈ 𝑉 → (𝜒 → ∃𝑥𝜓)) |
| 5 | 1, 2, 4 | sylc 66 | 1 ⊢ (𝜑 → ∃𝑥𝜓) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1569 ∃wex 1811 ∈ wcel 2144 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-clel 2835 |
| This theorem is used by: selsALT 5408 zfrep6OLD 7968 ertr 8737 dom3d 9025 disjenex 9158 domssex2 9160 domssex 9161 brwdom2 9571 infxpenc2lem2 10103 dfac8clem 10115 ac5num 10119 acni2 10129 acnlem 10131 finnisoeu 10196 infpss 10298 cofsmo 10351 axdc4lem 10537 ac6num 10561 axdclem2 10602 hasheqf1od 14501 fz1isolem 14610 wrd2f1tovbij 15119 fsum 15892 ntrivcvgn0 16073 fprod 16114 setsexstruct2 17359 isacs1i 17837 mreacs 17838 gsumval3lem2 20126 eltg3 23286 elptr 23898 oldfib 28769 nbusgrf1o1 29957 cusgrexg 30031 cusgrfilem3 30044 sizusglecusg 30050 wwlksnextbij 30497 gsumhashmul 33675 fzo0pmtrlast 33700 1arithidom 34116 fineqvnttrclse 35849 gblacfnacd 35949 onvfowev 35970 onprcf1of1orbd 35974 mirimanoffr 36547 numiunnum 37351 bj-imdirco 38205 eqvreltr 39717 aks6d1c2 43274 sticksstones20 43310 onsucf1lem 44365 onsucf1olem 44366 nnoeomeqom 44408 rp-isfinite5 44612 clrellem 44716 clcnvlem 44717 fundcmpsurinj 48585 prproropen 48684 grimidvtxedg 49077 grimcnv 49080 grimco 49081 isuspgrim0 49086 gricushgr 49109 ushggricedg 49119 uhgrimisgrgric 49123 isgrtri 49135 usgrgrtrirex 49142 isubgr3stgrlem3 49160 isubgr3stgr 49167 uspgrlim 49184 grlimgrtri 49195 grlicref 49204 grlicsym 49205 grlictr 49207 uspgrsprfo 49340 uspgrbispr 49343 1aryenef 49851 2aryenef 49862 eufsnlem 50046 xpco2 50062 opncldbid 50110 uobffth 50428 uobeqw 50429 thincciso 50682 thinccisod 50683 functermceu 50739 idfudiag1 50754 termcarweu 50757 arweutermc 50759 funcsn 50773 0fucterm 50775 mndtcbaseu 50813 |
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