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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 3558 | . 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 2146 |
| 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 2148 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2744 df-clel 2840 |
| This theorem is used by: selsALT 5424 zfrep6OLD 7954 ertr 8712 dom3d 8993 disjenex 9126 domssex2 9128 domssex 9129 brwdom2 9538 infxpenc2lem2 10016 dfac8clem 10028 ac5num 10032 acni2 10042 acnlem 10044 finnisoeu 10109 infpss 10211 cofsmo 10264 axdc4lem 10450 ac6num 10474 axdclem2 10515 hasheqf1od 14402 fz1isolem 14511 wrd2f1tovbij 15016 fsum 15789 ntrivcvgn0 15970 fprod 16013 setsexstruct2 17252 isacs1i 17730 mreacs 17731 gsumval3lem2 19999 eltg3 23148 elptr 23759 oldfib 28599 nbusgrf1o1 29749 cusgrexg 29823 cusgrfilem3 29836 sizusglecusg 29842 wwlksnextbij 30280 gsumhashmul 33410 fzo0pmtrlast 33435 1arithidom 33850 fineqvnttrclse 35553 gblacfnacd 35602 onvfowev 35616 numiunnum 37014 bj-imdirco 37867 eqvreltr 39373 aks6d1c2 42930 sticksstones20 42966 onsucf1lem 44029 onsucf1olem 44030 nnoeomeqom 44072 rp-isfinite5 44276 clrellem 44381 clcnvlem 44382 fundcmpsurinj 48191 prproropen 48290 grimidvtxedg 48683 grimcnv 48686 grimco 48687 isuspgrim0 48692 gricushgr 48715 ushggricedg 48725 uhgrimisgrgric 48729 isgrtri 48741 usgrgrtrirex 48748 isubgr3stgrlem3 48766 isubgr3stgr 48773 uspgrlim 48790 grlimgrtri 48801 grlicref 48810 grlicsym 48811 grlictr 48813 uspgrsprfo 48946 uspgrbispr 48949 1aryenef 49458 2aryenef 49469 eufsnlem 49652 xpco2 49668 opncldeqv 49713 uobffth 50029 uobeqw 50030 thincciso 50264 thinccisod 50265 functermceu 50321 idfudiag1 50336 termcarweu 50339 arweutermc 50341 funcsn 50352 0fucterm 50354 mndtcbas 50392 |
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