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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 1570 ∃wex 1812 ∈ wcel 2145 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2739 df-clel 2835 |
| This theorem is used by: selsALT 5416 zfrep6OLD 7952 ertr 8712 dom3d 9000 disjenex 9133 domssex2 9135 domssex 9136 brwdom2 9545 infxpenc2lem2 10023 dfac8clem 10035 ac5num 10039 acni2 10049 acnlem 10051 finnisoeu 10116 infpss 10218 cofsmo 10271 axdc4lem 10457 ac6num 10481 axdclem2 10522 hasheqf1od 14417 fz1isolem 14526 wrd2f1tovbij 15033 fsum 15806 ntrivcvgn0 15987 fprod 16028 setsexstruct2 17267 isacs1i 17745 mreacs 17746 gsumval3lem2 20033 eltg3 23187 elptr 23799 oldfib 28642 nbusgrf1o1 29830 cusgrexg 29904 cusgrfilem3 29917 sizusglecusg 29923 wwlksnextbij 30370 gsumhashmul 33507 fzo0pmtrlast 33532 1arithidom 33947 fineqvnttrclse 35650 gblacfnacd 35699 onvfowev 35713 numiunnum 37089 bj-imdirco 37942 eqvreltr 39439 aks6d1c2 42996 sticksstones20 43032 onsucf1lem 44110 onsucf1olem 44111 nnoeomeqom 44153 rp-isfinite5 44357 clrellem 44462 clcnvlem 44463 fundcmpsurinj 48309 prproropen 48408 grimidvtxedg 48801 grimcnv 48804 grimco 48805 isuspgrim0 48810 gricushgr 48833 ushggricedg 48843 uhgrimisgrgric 48847 isgrtri 48859 usgrgrtrirex 48866 isubgr3stgrlem3 48884 isubgr3stgr 48891 uspgrlim 48908 grlimgrtri 48919 grlicref 48928 grlicsym 48929 grlictr 48931 uspgrsprfo 49064 uspgrbispr 49067 1aryenef 49575 2aryenef 49586 eufsnlem 49769 xpco2 49785 opncldeqv 49828 uobffth 50144 uobeqw 50145 thincciso 50379 thinccisod 50380 functermceu 50436 idfudiag1 50451 termcarweu 50454 arweutermc 50456 funcsn 50467 0fucterm 50469 mndtcbas 50507 |
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