| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 2527 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2386 | . . . 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 2297 | . . . . 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 2901 | . . 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 2205 ∀wral 2522 |
| 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 2216 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-v 2817 |
| This theorem is referenced by: rspcv 2919 rspc2 2935 rspc2vd 3210 pofun 4438 omsinds 4749 fmptcof 5849 fliftfuns 5977 qliftfuns 6866 xpf1o 7110 finexdc 7173 ssfirab 7210 opabfi 7213 iunfidisj 7226 dcfi 7281 cc3 7598 lble 9241 exfzdc 10611 zsupcllemstep 10614 infssuzex 10618 uzsinds 10833 sumeq2 12073 sumfct 12088 sumrbdclem 12092 summodclem3 12095 summodclem2a 12096 zsumdc 12099 fsumgcl 12101 fsum3 12102 fsumf1o 12105 isumss 12106 isumss2 12108 fsum3cvg2 12109 fsumadd 12121 isummulc2 12141 fsum2dlemstep 12149 fisumcom2 12153 fsumshftm 12160 fisum0diag2 12162 fsummulc2 12163 fsum00 12177 fsumabs 12180 fsumrelem 12186 fsumiun 12192 isumshft 12205 mertenslem2 12251 prodeq2 12272 prodrbdclem 12286 prodmodclem3 12290 prodmodclem2a 12291 zproddc 12294 fprodseq 12298 prodfct 12302 fprodf1o 12303 prodssdc 12304 fprodmul 12306 fprodm1s 12316 fprodp1s 12317 fprodabs 12331 fprodap0 12336 fprod2dlemstep 12337 fprodcom2fi 12341 fprodrec 12344 fprodap0f 12351 fprodle 12355 bezoutlemmain 12723 nnwosdc 12764 pcmpt 13070 ctiunctlemudc 13276 gsumfzfsumlemm 14865 iuncld 15110 txcnp 15266 fsumcncntop 15562 bj-nntrans 16861 |
| Copyright terms: Public domain | W3C validator |