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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 2513 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2372 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1574 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1618 | . . . 4 ⊢ Ⅎ𝑥(𝐴 ∈ 𝐵 → 𝜓) |
| 6 | eleq1 2292 | . . . . 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 2885 | . . 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 1393 = wceq 1395 Ⅎwnf 1506 ∈ wcel 2200 ∀wral 2508 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-v 2801 |
| This theorem is referenced by: rspcv 2903 rspc2 2918 rspc2vd 3193 pofun 4404 omsinds 4715 fmptcof 5807 fliftfuns 5931 qliftfuns 6779 xpf1o 7018 finexdc 7078 ssfirab 7114 opabfi 7116 iunfidisj 7129 dcfi 7164 cc3 7470 lble 9110 exfzdc 10463 zsupcllemstep 10466 infssuzex 10470 uzsinds 10683 sumeq2 11891 sumfct 11906 sumrbdclem 11909 summodclem3 11912 summodclem2a 11913 zsumdc 11916 fsumgcl 11918 fsum3 11919 fsumf1o 11922 isumss 11923 isumss2 11925 fsum3cvg2 11926 fsumadd 11938 isummulc2 11958 fsum2dlemstep 11966 fisumcom2 11970 fsumshftm 11977 fisum0diag2 11979 fsummulc2 11980 fsum00 11994 fsumabs 11997 fsumrelem 12003 fsumiun 12009 isumshft 12022 mertenslem2 12068 prodeq2 12089 prodrbdclem 12103 prodmodclem3 12107 prodmodclem2a 12108 zproddc 12111 fprodseq 12115 prodfct 12119 fprodf1o 12120 prodssdc 12121 fprodmul 12123 fprodm1s 12133 fprodp1s 12134 fprodabs 12148 fprodap0 12153 fprod2dlemstep 12154 fprodcom2fi 12158 fprodrec 12161 fprodap0f 12168 fprodle 12172 bezoutlemmain 12540 nnwosdc 12581 pcmpt 12887 ctiunctlemudc 13029 gsumfzfsumlemm 14572 iuncld 14810 txcnp 14966 fsumcncntop 15262 bj-nntrans 16423 |
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