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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 3055 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2902 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1921 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1903 | . . . 4 ⊢ Ⅎ𝑥(𝐴 ∈ 𝐵 → 𝜓) |
| 6 | eleq1 2828 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝑥 ∈ 𝐵 ↔ 𝐴 ∈ 𝐵)) | |
| 7 | rspc.2 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 8 | 6, 7 | imbi12d 345 | . . . 4 ⊢ (𝑥 = 𝐴 → ((𝑥 ∈ 𝐵 → 𝜑) ↔ (𝐴 ∈ 𝐵 → 𝜓))) |
| 9 | 2, 5, 8 | spcgf 3536 | . . 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 243 | 1 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 207 ∀wal 1545 = wceq 1547 Ⅎwnf 1790 ∈ wcel 2119 ∀wral 3054 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-ex 1787 df-nf 1791 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ral 3055 |
| This theorem is referenced by: rspc2 3576 rspc2vd 3886 disjxiun 5076 pofun 5551 fmptcof 7079 fliftfuns 7265 ofmpteq 7650 tfisg 7801 qliftfuns 8748 xpf1o 9074 iunfi 9250 iundom2g 10460 lble 12106 rlimcld2 15538 sumeq2ii 15653 summolem3 15674 zsum 15678 fsum 15680 fsumf1o 15683 sumss2 15686 fsumcvg2 15687 fsumadd 15700 isummulc2 15722 fsum2dlem 15730 fsumcom2 15734 fsumshftm 15741 fsum0diag2 15743 fsummulc2 15744 fsum00 15759 fsumabs 15762 fsumrelem 15768 fsumrlim 15772 fsumo1 15773 o1fsum 15774 fsumiun 15782 isumshft 15802 prodeq2ii 15874 prodmolem3 15896 zprod 15900 fprod 15904 fprodf1o 15909 prodss 15910 fprodser 15912 fprodmul 15923 fproddiv 15924 fprodm1s 15933 fprodp1s 15934 fprodabs 15937 fprod2dlem 15943 fprodcom2 15947 fprodefsum 16058 sumeven 16354 sumodd 16355 pcmpt 16861 invfuc 17942 dprd2d2 20019 txcnp 23610 ptcnplem 23611 prdsdsf 24357 prdsxmet 24359 fsumcn 24862 ovolfiniun 25493 ovoliunnul 25499 volfiniun 25539 iunmbl 25545 limciun 25886 dvfsumle 26013 dvfsumabs 26015 dvfsumlem1 26018 dvfsumlem3 26020 dvfsumlem4 26021 dvfsumrlim 26023 dvfsumrlim2 26024 dvfsum2 26026 itgsubst 26041 fsumvma 27201 dchrisumlema 27476 dchrisumlem2 27478 dchrisumlem3 27479 nosupbnd1 27703 noinfbnd1 27718 chirred 32491 fsumiunle 32928 sigapildsyslem 34352 voliune 34420 volfiniune 34421 ptrest 37993 poimirlem25 38019 poimirlem26 38020 mzpsubst 43204 rabdiophlem2 43254 cvgcaule 45941 etransclem48 46732 sge0iunmpt 46868 2reu8i 47583 |
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