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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 1916 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1898 | . . . 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 3533 | . . 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 3051 |
| 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 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-ex 1782 df-nf 1786 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ral 3052 |
| This theorem is referenced by: rspc2 3573 rspc2vd 3885 disjxiun 5082 pofun 5557 fmptcof 7083 fliftfuns 7269 ofmpteq 7654 tfisg 7805 qliftfuns 8751 xpf1o 9077 iunfi 9253 iundom2g 10462 lble 12108 rlimcld2 15540 sumeq2ii 15655 summolem3 15676 zsum 15680 fsum 15682 fsumf1o 15685 sumss2 15688 fsumcvg2 15689 fsumadd 15702 isummulc2 15724 fsum2dlem 15732 fsumcom2 15736 fsumshftm 15743 fsum0diag2 15745 fsummulc2 15746 fsum00 15761 fsumabs 15764 fsumrelem 15770 fsumrlim 15774 fsumo1 15775 o1fsum 15776 fsumiun 15784 isumshft 15804 prodeq2ii 15876 prodmolem3 15898 zprod 15902 fprod 15906 fprodf1o 15911 prodss 15912 fprodser 15914 fprodmul 15925 fproddiv 15926 fprodm1s 15935 fprodp1s 15936 fprodabs 15939 fprod2dlem 15945 fprodcom2 15949 fprodefsum 16060 sumeven 16356 sumodd 16357 pcmpt 16863 invfuc 17944 dprd2d2 20021 txcnp 23585 ptcnplem 23586 prdsdsf 24332 prdsxmet 24334 fsumcn 24837 ovolfiniun 25468 ovoliunnul 25474 volfiniun 25514 iunmbl 25520 limciun 25861 dvfsumle 25988 dvfsumabs 25990 dvfsumlem1 25993 dvfsumlem3 25995 dvfsumlem4 25996 dvfsumrlim 25998 dvfsumrlim2 25999 dvfsum2 26001 itgsubst 26016 fsumvma 27176 dchrisumlema 27451 dchrisumlem2 27453 dchrisumlem3 27454 nosupbnd1 27678 noinfbnd1 27693 chirred 32466 fsumiunle 32902 sigapildsyslem 34305 voliune 34373 volfiniune 34374 ptrest 37940 poimirlem25 37966 poimirlem26 37967 mzpsubst 43180 rabdiophlem2 43230 cvgcaule 45919 etransclem48 46710 sge0iunmpt 46846 2reu8i 47561 |
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