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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 3111 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
2 | nfcv 2955 | . . . 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 2877 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝑥 ∈ 𝐵 ↔ 𝐴 ∈ 𝐵)) | |
7 | rspc.2 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
8 | 6, 7 | imbi12d 348 | . . . 4 ⊢ (𝑥 = 𝐴 → ((𝑥 ∈ 𝐵 → 𝜑) ↔ (𝐴 ∈ 𝐵 → 𝜓))) |
9 | 2, 5, 8 | spcgf 3538 | . . 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 | syl5bi 245 | 1 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∀wal 1536 = wceq 1538 Ⅎwnf 1785 ∈ wcel 2111 ∀wral 3106 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-v 3443 |
This theorem is referenced by: rspcvOLD 3567 rspc2 3579 rspc2vd 3877 disjxiun 5027 pofun 5455 fmptcof 6869 fliftfuns 7046 ofmpteq 7408 qliftfuns 8367 xpf1o 8663 iunfi 8796 iundom2g 9951 lble 11580 rlimcld2 14927 sumeq2ii 15042 summolem3 15063 zsum 15067 fsum 15069 fsumf1o 15072 sumss2 15075 fsumcvg2 15076 fsumadd 15088 isummulc2 15109 fsum2dlem 15117 fsumcom2 15121 fsumshftm 15128 fsum0diag2 15130 fsummulc2 15131 fsum00 15145 fsumabs 15148 fsumrelem 15154 fsumrlim 15158 fsumo1 15159 o1fsum 15160 fsumiun 15168 isumshft 15186 prodeq2ii 15259 prodmolem3 15279 zprod 15283 fprod 15287 fprodf1o 15292 prodss 15293 fprodser 15295 fprodmul 15306 fproddiv 15307 fprodm1s 15316 fprodp1s 15317 fprodabs 15320 fprod2dlem 15326 fprodcom2 15330 fprodefsum 15440 sumeven 15728 sumodd 15729 pcmpt 16218 invfuc 17236 dprd2d2 19159 txcnp 22225 ptcnplem 22226 prdsdsf 22974 prdsxmet 22976 fsumcn 23475 ovolfiniun 24105 ovoliunnul 24111 volfiniun 24151 iunmbl 24157 limciun 24497 dvfsumle 24624 dvfsumabs 24626 dvfsumlem1 24629 dvfsumlem3 24631 dvfsumlem4 24632 dvfsumrlim 24634 dvfsumrlim2 24635 dvfsum2 24637 itgsubst 24652 fsumvma 25797 dchrisumlema 26072 dchrisumlem2 26074 dchrisumlem3 26075 chirred 30178 fsumiunle 30571 sigapildsyslem 31530 voliune 31598 volfiniune 31599 tfisg 33168 nosupbnd1 33327 ptrest 35056 poimirlem25 35082 poimirlem26 35083 mzpsubst 39689 rabdiophlem2 39743 etransclem48 42924 sge0iunmpt 43057 2reu8i 43669 |
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