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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 2886 | . . 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 2802 |
| This theorem is referenced by: rspcv 2904 rspc2 2919 rspc2vd 3194 pofun 4407 omsinds 4718 fmptcof 5810 fliftfuns 5934 qliftfuns 6783 xpf1o 7025 finexdc 7087 ssfirab 7123 opabfi 7126 iunfidisj 7139 dcfi 7174 cc3 7480 lble 9120 exfzdc 10479 zsupcllemstep 10482 infssuzex 10486 uzsinds 10699 sumeq2 11913 sumfct 11928 sumrbdclem 11931 summodclem3 11934 summodclem2a 11935 zsumdc 11938 fsumgcl 11940 fsum3 11941 fsumf1o 11944 isumss 11945 isumss2 11947 fsum3cvg2 11948 fsumadd 11960 isummulc2 11980 fsum2dlemstep 11988 fisumcom2 11992 fsumshftm 11999 fisum0diag2 12001 fsummulc2 12002 fsum00 12016 fsumabs 12019 fsumrelem 12025 fsumiun 12031 isumshft 12044 mertenslem2 12090 prodeq2 12111 prodrbdclem 12125 prodmodclem3 12129 prodmodclem2a 12130 zproddc 12133 fprodseq 12137 prodfct 12141 fprodf1o 12142 prodssdc 12143 fprodmul 12145 fprodm1s 12155 fprodp1s 12156 fprodabs 12170 fprodap0 12175 fprod2dlemstep 12176 fprodcom2fi 12180 fprodrec 12183 fprodap0f 12190 fprodle 12194 bezoutlemmain 12562 nnwosdc 12603 pcmpt 12909 ctiunctlemudc 13051 gsumfzfsumlemm 14594 iuncld 14832 txcnp 14988 fsumcncntop 15284 bj-nntrans 16496 |
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