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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 3555 | . 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 2147 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2102 df-clab 2742 df-clel 2839 |
| This theorem is used by: selsALT 5416 zfrep6OLD 8001 ertr 8771 dom3d 9059 disjenex 9192 domssex2 9194 domssex 9195 brwdom2 9604 infxpenc2lem2 10138 dfac8clem 10150 ac5num 10154 acni2 10164 acnlem 10166 finnisoeu 10231 infpss 10333 cofsmo 10386 axdc4lem 10572 ac6num 10596 axdclem2 10637 hasheqf1od 14538 fz1isolem 14647 wrd2f1tovbij 15156 fsum 15930 ntrivcvgn0 16111 fprod 16152 setsexstruct2 17397 isacs1i 17881 mreacs 17882 gsumval3lem2 20171 eltg3 23335 elptr 23947 oldfib 28820 nbusgrf1o1 30008 cusgrexg 30082 cusgrfilem3 30095 sizusglecusg 30101 wwlksnextbij 30548 gsumhashmul 33727 fzo0pmtrlast 33752 1arithidom 34173 fineqvnttrclse 35933 gblacfnacd 36070 onvfowev 36091 onprcf1of1orbd 36095 mirimanoffr 36668 elpssmo 36673 numiunnum 37473 bj-imdirco 38379 eqvreltr 39889 aks6d1c2 43446 sticksstones20 43482 onsucf1lem 44532 onsucf1olem 44533 nnoeomeqom 44575 rp-isfinite5 44779 clrellem 44883 clcnvlem 44884 fundcmpsurinj 48764 prproropen 48863 grimidvtxedg 49256 grimcnv 49259 grimco 49260 isuspgrim0 49265 gricushgr 49288 ushggricedg 49298 uhgrimisgrgric 49302 isgrtri 49314 usgrgrtrirex 49321 isubgr3stgrlem3 49339 isubgr3stgr 49346 uspgrlim 49363 grlimgrtri 49374 grlicref 49383 grlicsym 49384 grlictr 49386 uspgrsprfo 49519 uspgrbispr 49522 1aryenef 50088 2aryenef 50099 eufsnlem 50283 xpco2 50299 opncldbid 50347 uobffth 50665 uobeqw 50666 thincciso 50919 thinccisod 50920 functermceu 50976 idfudiag1 50991 termcarweu 50994 arweutermc 50996 funcsn 51010 0fucterm 51012 mndtcbaseu 51050 |
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