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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 3053 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2899 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1916 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1898 | . . . 4 ⊢ Ⅎ𝑥(𝐴 ∈ 𝐵 → 𝜓) |
| 6 | eleq1 2825 | . . . . 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 3547 | . . 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 1540 = wceq 1542 Ⅎwnf 1785 ∈ wcel 2114 ∀wral 3052 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-ex 1782 df-nf 1786 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ral 3053 |
| This theorem is referenced by: rspc2 3587 rspc2vd 3899 disjxiun 5097 pofun 5558 fmptcof 7085 fliftfuns 7270 ofmpteq 7655 tfisg 7806 qliftfuns 8753 xpf1o 9079 iunfi 9255 iundom2g 10462 lble 12106 rlimcld2 15513 sumeq2ii 15628 summolem3 15649 zsum 15653 fsum 15655 fsumf1o 15658 sumss2 15661 fsumcvg2 15662 fsumadd 15675 isummulc2 15697 fsum2dlem 15705 fsumcom2 15709 fsumshftm 15716 fsum0diag2 15718 fsummulc2 15719 fsum00 15733 fsumabs 15736 fsumrelem 15742 fsumrlim 15746 fsumo1 15747 o1fsum 15748 fsumiun 15756 isumshft 15774 prodeq2ii 15846 prodmolem3 15868 zprod 15872 fprod 15876 fprodf1o 15881 prodss 15882 fprodser 15884 fprodmul 15895 fproddiv 15896 fprodm1s 15905 fprodp1s 15906 fprodabs 15909 fprod2dlem 15915 fprodcom2 15919 fprodefsum 16030 sumeven 16326 sumodd 16327 pcmpt 16832 invfuc 17913 dprd2d2 19987 txcnp 23576 ptcnplem 23577 prdsdsf 24323 prdsxmet 24325 fsumcn 24829 ovolfiniun 25470 ovoliunnul 25476 volfiniun 25516 iunmbl 25522 limciun 25863 dvfsumle 25994 dvfsumleOLD 25995 dvfsumabs 25997 dvfsumlem1 26000 dvfsumlem3 26003 dvfsumlem4 26004 dvfsumrlim 26006 dvfsumrlim2 26007 dvfsum2 26009 itgsubst 26024 fsumvma 27192 dchrisumlema 27467 dchrisumlem2 27469 dchrisumlem3 27470 nosupbnd1 27694 noinfbnd1 27709 chirred 32482 fsumiunle 32920 sigapildsyslem 34338 voliune 34406 volfiniune 34407 ptrest 37864 poimirlem25 37890 poimirlem26 37891 mzpsubst 43099 rabdiophlem2 43153 cvgcaule 45843 etransclem48 46634 sge0iunmpt 46770 2reu8i 47467 |
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