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| Mirrors > Home > MPE Home > Th. List > rspc | Structured version Visualization version 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 3052 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2898 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1915 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1897 | . . . 4 ⊢ Ⅎ𝑥(𝐴 ∈ 𝐵 → 𝜓) |
| 6 | eleq1 2824 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝑥 ∈ 𝐵 ↔ 𝐴 ∈ 𝐵)) | |
| 7 | rspc.2 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 8 | 6, 7 | imbi12d 344 | . . . 4 ⊢ (𝑥 = 𝐴 → ((𝑥 ∈ 𝐵 → 𝜑) ↔ (𝐴 ∈ 𝐵 → 𝜓))) |
| 9 | 2, 5, 8 | spcgf 3545 | . . 3 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥(𝑥 ∈ 𝐵 → 𝜑) → (𝐴 ∈ 𝐵 → 𝜓))) |
| 10 | 9 | pm2.43a 54 | . 2 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥(𝑥 ∈ 𝐵 → 𝜑) → 𝜓)) |
| 11 | 1, 10 | biimtrid 242 | 1 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∀wal 1539 = wceq 1541 Ⅎwnf 1784 ∈ wcel 2113 ∀wral 3051 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-ex 1781 df-nf 1785 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ral 3052 |
| This theorem is referenced by: rspc2 3585 rspc2vd 3897 disjxiun 5095 pofun 5550 fmptcof 7075 fliftfuns 7260 ofmpteq 7645 tfisg 7796 qliftfuns 8741 xpf1o 9067 iunfi 9243 iundom2g 10450 lble 12094 rlimcld2 15501 sumeq2ii 15616 summolem3 15637 zsum 15641 fsum 15643 fsumf1o 15646 sumss2 15649 fsumcvg2 15650 fsumadd 15663 isummulc2 15685 fsum2dlem 15693 fsumcom2 15697 fsumshftm 15704 fsum0diag2 15706 fsummulc2 15707 fsum00 15721 fsumabs 15724 fsumrelem 15730 fsumrlim 15734 fsumo1 15735 o1fsum 15736 fsumiun 15744 isumshft 15762 prodeq2ii 15834 prodmolem3 15856 zprod 15860 fprod 15864 fprodf1o 15869 prodss 15870 fprodser 15872 fprodmul 15883 fproddiv 15884 fprodm1s 15893 fprodp1s 15894 fprodabs 15897 fprod2dlem 15903 fprodcom2 15907 fprodefsum 16018 sumeven 16314 sumodd 16315 pcmpt 16820 invfuc 17901 dprd2d2 19975 txcnp 23564 ptcnplem 23565 prdsdsf 24311 prdsxmet 24313 fsumcn 24817 ovolfiniun 25458 ovoliunnul 25464 volfiniun 25504 iunmbl 25510 limciun 25851 dvfsumle 25982 dvfsumleOLD 25983 dvfsumabs 25985 dvfsumlem1 25988 dvfsumlem3 25991 dvfsumlem4 25992 dvfsumrlim 25994 dvfsumrlim2 25995 dvfsum2 25997 itgsubst 26012 fsumvma 27180 dchrisumlema 27455 dchrisumlem2 27457 dchrisumlem3 27458 nosupbnd1 27682 noinfbnd1 27697 chirred 32470 fsumiunle 32910 sigapildsyslem 34318 voliune 34386 volfiniune 34387 ptrest 37816 poimirlem25 37842 poimirlem26 37843 mzpsubst 42986 rabdiophlem2 43040 cvgcaule 45731 etransclem48 46522 sge0iunmpt 46658 2reu8i 47355 |
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