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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 3077 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2922 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1946 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1928 | . . . 4 ⊢ Ⅎ𝑥(𝐴 ∈ 𝐵 → 𝜓) |
| 6 | eleq1 2848 | . . . . 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 3545 | . . 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 1567 = wceq 1569 Ⅎwnf 1815 ∈ wcel 2144 ∀wral 3076 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-ex 1812 df-nf 1816 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ral 3077 |
| This theorem is used by: rspc2 3584 rspc2vd 3894 disjxiun 5099 pofun 5576 fmptcof 7131 fliftfuns 7322 ofmpteq 7716 tfisg 7865 qliftfuns 8828 xpf1o 9161 iunfi 9335 iundom2g 10627 lble 12272 rlimcld2 15750 sumeq2ii 15865 summolem3 15885 zsum 15889 fsum 15891 fsumf1o 15894 sumss2 15897 fsumcvg2 15898 fsumadd 15911 isummulc2 15933 fsum2dlem 15941 fsumcom2 15945 fsumshftm 15952 fsum0diag2 15954 fsummulc2 15955 fsum00 15970 fsumabs 15973 fsumrelem 15979 fsumrlim 15983 fsumo1 15984 o1fsum 15985 fsumiun 15993 isumshft 16013 prodeq2ii 16085 prodmolem3 16105 zprod 16109 fprod 16113 fprodf1o 16118 prodss 16119 fprodser 16121 fprodmul 16132 fproddiv 16133 fprodm1s 16142 fprodp1s 16143 fprodabs 16146 fprod2dlem 16152 fprodcom2 16156 fprodefsum 16266 sumeven 16562 sumodd 16563 pcmpt 17075 invfuc 18157 dprd2d2 20265 txcnp 23944 ptcnplem 23945 prdsdsf 24691 prdsxmet 24693 fsumcn 25196 ovolfiniun 25827 ovoliunnul 25833 volfiniun 25873 iunmbl 25879 limciun 26219 dvfsumle 26346 dvfsumabs 26348 dvfsumlem1 26351 dvfsumlem3 26353 dvfsumlem4 26354 dvfsumrlim 26356 dvfsumrlim2 26357 dvfsum2 26359 itgsubst 26374 fsumvma 27545 dchrisumlema 27820 dchrisumlem2 27822 dchrisumlem3 27823 nosupbnd1 28076 noinfbnd1 28091 chirred 33002 fsumiunle 33466 sigapildsyslem 34840 voliune 34908 volfiniune 34909 ptrest 38630 poimirlem25 38656 poimirlem26 38657 mzpsubst 43852 rabdiophlem2 43902 cvgcaule 46594 etransclem48 47385 sge0iunmpt 47521 2reu8i 48276 |
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