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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 3078 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2923 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1947 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1929 | . . . 4 ⊢ Ⅎ𝑥(𝐴 ∈ 𝐵 → 𝜓) |
| 6 | eleq1 2849 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝑥 ∈ 𝐵 ↔ 𝐴 ∈ 𝐵)) | |
| 7 | rspc.2 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 8 | 6, 7 | imbi12d 347 | . . . 4 ⊢ (𝑥 = 𝐴 → ((𝑥 ∈ 𝐵 → 𝜑) ↔ (𝐴 ∈ 𝐵 → 𝜓))) |
| 9 | 2, 5, 8 | spcgf 3546 | . . 3 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥(𝑥 ∈ 𝐵 → 𝜑) → (𝐴 ∈ 𝐵 → 𝜓))) |
| 10 | 9 | pm2.43a 55 | . 2 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥(𝑥 ∈ 𝐵 → 𝜑) → 𝜓)) |
| 11 | 1, 10 | biimtrid 245 | 1 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → 𝜓)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∀wal 1568 = wceq 1570 Ⅎwnf 1816 ∈ wcel 2145 ∀wral 3077 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-ex 1813 df-nf 1817 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ral 3078 |
| This theorem is used by: rspc2 3585 rspc2vd 3895 disjxiun 5100 pofun 5577 fmptcof 7123 fliftfuns 7314 ofmpteq 7705 tfisg 7854 qliftfuns 8809 xpf1o 9142 iunfi 9316 iundom2g 10605 lble 12250 rlimcld2 15725 sumeq2ii 15840 summolem3 15860 zsum 15864 fsum 15866 fsumf1o 15869 sumss2 15872 fsumcvg2 15873 fsumadd 15886 isummulc2 15908 fsum2dlem 15916 fsumcom2 15920 fsumshftm 15927 fsum0diag2 15929 fsummulc2 15930 fsum00 15945 fsumabs 15948 fsumrelem 15954 fsumrlim 15958 fsumo1 15959 o1fsum 15960 fsumiun 15968 isumshft 15988 prodeq2ii 16060 prodmolem3 16080 zprod 16084 fprod 16088 fprodf1o 16093 prodss 16094 fprodser 16096 fprodmul 16107 fproddiv 16108 fprodm1s 16117 fprodp1s 16118 fprodabs 16121 fprod2dlem 16127 fprodcom2 16131 fprodefsum 16241 sumeven 16537 sumodd 16538 pcmpt 17050 invfuc 18132 dprd2d2 20240 txcnp 23919 ptcnplem 23920 prdsdsf 24666 prdsxmet 24668 fsumcn 25171 ovolfiniun 25802 ovoliunnul 25808 volfiniun 25848 iunmbl 25854 limciun 26194 dvfsumle 26321 dvfsumabs 26323 dvfsumlem1 26326 dvfsumlem3 26328 dvfsumlem4 26329 dvfsumrlim 26331 dvfsumrlim2 26332 dvfsum2 26334 itgsubst 26349 fsumvma 27522 dchrisumlema 27797 dchrisumlem2 27799 dchrisumlem3 27800 nosupbnd1 28053 noinfbnd1 28068 chirred 32979 fsumiunle 33402 sigapildsyslem 34776 voliune 34844 volfiniune 34845 ptrest 38505 poimirlem25 38531 poimirlem26 38532 mzpsubst 43712 rabdiophlem2 43762 cvgcaule 46445 etransclem48 47236 sge0iunmpt 47372 2reu8i 48127 |
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