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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 2533 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2392 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1581 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1625 | . . . 4 ⊢ Ⅎ𝑥(𝐴 ∈ 𝐵 → 𝜓) |
| 6 | eleq1 2301 | . . . . 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 2907 | . . 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 1400 = wceq 1402 Ⅎwnf 1513 ∈ wcel 2209 ∀wral 2528 |
| 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-v 2823 |
| This theorem is referenced by: rspcv 2925 rspc2 2941 rspc2vd 3216 pofun 4455 omsinds 4767 fmptcof 5869 fliftfuns 5998 qliftfuns 6887 xpf1o 7138 finexdc 7201 ssfirab 7238 opabfi 7241 iunfidisj 7254 dcfi 7309 cc3 7628 lble 9271 exfzdc 10642 zsupcllemstep 10645 infssuzex 10649 uzsinds 10864 sumeq2 12108 sumfct 12123 sumrbdclem 12127 summodclem3 12130 summodclem2a 12131 zsumdc 12134 fsumgcl 12136 fsum3 12137 fsumf1o 12140 isumss 12141 isumss2 12143 fsum3cvg2 12144 fsumadd 12156 isummulc2 12176 fsum2dlemstep 12184 fisumcom2 12188 fsumshftm 12195 fisum0diag2 12197 fsummulc2 12198 fsum00 12212 fsumabs 12215 fsumrelem 12221 fsumiun 12227 isumshft 12240 mertenslem2 12286 prodeq2 12307 prodrbdclem 12321 prodmodclem3 12325 prodmodclem2a 12326 zproddc 12329 fprodseq 12333 prodfct 12337 fprodf1o 12338 prodssdc 12339 fprodmul 12341 fprodm1s 12351 fprodp1s 12352 fprodabs 12366 fprodap0 12371 fprod2dlemstep 12372 fprodcom2fi 12376 fprodrec 12379 fprodap0f 12386 fprodle 12390 bezoutlemmain 12758 nnwosdc 12799 pcmpt 13105 ctiunctlemudc 13311 gsummptfidmadd 14144 iuncld 15199 txcnp 15355 fsumcncntop 15651 bj-nntrans 16960 |
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