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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 3080 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2925 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1944 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1926 | . . . 4 ⊢ Ⅎ𝑥(𝐴 ∈ 𝐵 → 𝜓) |
| 6 | eleq1 2851 | . . . . 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 3551 | . . 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 |
| Syntax hints: → wi 4 ↔ wb 209 ∀wal 1568 = wceq 1570 Ⅎwnf 1813 ∈ wcel 2143 ∀wral 3079 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-ex 1810 df-nf 1814 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ral 3080 |
| This theorem is referenced by: rspc2 3591 rspc2vd 3902 disjxiun 5107 pofun 5589 fmptcof 7128 fliftfuns 7314 ofmpteq 7699 tfisg 7851 qliftfuns 8803 xpf1o 9128 iunfi 9301 iundom2g 10525 lble 12168 rlimcld2 15631 sumeq2ii 15746 summolem3 15767 zsum 15771 fsum 15773 fsumf1o 15776 sumss2 15779 fsumcvg2 15780 fsumadd 15793 isummulc2 15815 fsum2dlem 15823 fsumcom2 15827 fsumshftm 15834 fsum0diag2 15836 fsummulc2 15837 fsum00 15852 fsumabs 15855 fsumrelem 15861 fsumrlim 15865 fsumo1 15866 o1fsum 15867 fsumiun 15875 isumshft 15895 prodeq2ii 15967 prodmolem3 15989 zprod 15993 fprod 15997 fprodf1o 16002 prodss 16003 fprodser 16005 fprodmul 16016 fproddiv 16017 fprodm1s 16026 fprodp1s 16027 fprodabs 16030 fprod2dlem 16036 fprodcom2 16040 fprodefsum 16150 sumeven 16446 sumodd 16447 pcmpt 16953 invfuc 18035 dprd2d2 20117 txcnp 23758 ptcnplem 23759 prdsdsf 24505 prdsxmet 24507 fsumcn 25010 ovolfiniun 25641 ovoliunnul 25647 volfiniun 25687 iunmbl 25693 limciun 26034 dvfsumle 26161 dvfsumabs 26163 dvfsumlem1 26166 dvfsumlem3 26168 dvfsumlem4 26169 dvfsumrlim 26171 dvfsumrlim2 26172 dvfsum2 26174 itgsubst 26189 fsumvma 27355 dchrisumlema 27630 dchrisumlem2 27632 dchrisumlem3 27633 nosupbnd1 27856 noinfbnd1 27871 chirred 32725 fsumiunle 33151 sigapildsyslem 34529 voliune 34597 volfiniune 34598 ptrest 38248 poimirlem25 38274 poimirlem26 38275 mzpsubst 43459 rabdiophlem2 43509 cvgcaule 46185 etransclem48 46976 sge0iunmpt 47112 2reu8i 47827 |
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