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| Mirrors > Home > ILE Home > Th. List > rspc | GIF version | ||
| Description: Restricted specialization, using implicit substitution. (Contributed by NM, 19-Apr-2005.) (Revised by Mario Carneiro, 11-Oct-2016.) |
| Ref | Expression |
|---|---|
| rspc.1 | ⊢ Ⅎ𝑥𝜓 |
| rspc.2 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| rspc | ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ral 2525 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2384 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1577 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1621 | . . . 4 ⊢ Ⅎ𝑥(𝐴 ∈ 𝐵 → 𝜓) |
| 6 | eleq1 2295 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝑥 ∈ 𝐵 ↔ 𝐴 ∈ 𝐵)) | |
| 7 | rspc.2 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 8 | 6, 7 | imbi12d 234 | . . . 4 ⊢ (𝑥 = 𝐴 → ((𝑥 ∈ 𝐵 → 𝜑) ↔ (𝐴 ∈ 𝐵 → 𝜓))) |
| 9 | 2, 5, 8 | spcgf 2898 | . . 3 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥(𝑥 ∈ 𝐵 → 𝜑) → (𝐴 ∈ 𝐵 → 𝜓))) |
| 10 | 9 | pm2.43a 51 | . 2 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥(𝑥 ∈ 𝐵 → 𝜑) → 𝜓)) |
| 11 | 1, 10 | biimtrid 152 | 1 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → 𝜓)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ↔ wb 105 ∀wal 1396 = wceq 1398 Ⅎwnf 1509 ∈ wcel 2203 ∀wral 2520 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-v 2814 |
| This theorem is referenced by: rspcv 2916 rspc2 2931 rspc2vd 3206 pofun 4432 omsinds 4743 fmptcof 5843 fliftfuns 5970 qliftfuns 6852 xpf1o 7096 finexdc 7159 ssfirab 7196 opabfi 7199 iunfidisj 7212 dcfi 7267 cc3 7581 lble 9220 exfzdc 10585 zsupcllemstep 10588 infssuzex 10592 uzsinds 10805 sumeq2 12040 sumfct 12055 sumrbdclem 12059 summodclem3 12062 summodclem2a 12063 zsumdc 12066 fsumgcl 12068 fsum3 12069 fsumf1o 12072 isumss 12073 isumss2 12075 fsum3cvg2 12076 fsumadd 12088 isummulc2 12108 fsum2dlemstep 12116 fisumcom2 12120 fsumshftm 12127 fisum0diag2 12129 fsummulc2 12130 fsum00 12144 fsumabs 12147 fsumrelem 12153 fsumiun 12159 isumshft 12172 mertenslem2 12218 prodeq2 12239 prodrbdclem 12253 prodmodclem3 12257 prodmodclem2a 12258 zproddc 12261 fprodseq 12265 prodfct 12269 fprodf1o 12270 prodssdc 12271 fprodmul 12273 fprodm1s 12283 fprodp1s 12284 fprodabs 12298 fprodap0 12303 fprod2dlemstep 12304 fprodcom2fi 12308 fprodrec 12311 fprodap0f 12318 fprodle 12322 bezoutlemmain 12690 nnwosdc 12731 pcmpt 13037 ctiunctlemudc 13180 gsumfzfsumlemm 14727 iuncld 14972 txcnp 15128 fsumcncntop 15424 bj-nntrans 16713 |
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