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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 3053 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2899 | . . . 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 2825 | . . . . 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 3534 | . . 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 3052 |
| 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 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-ex 1782 df-nf 1786 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ral 3053 |
| This theorem is referenced by: rspc2 3574 rspc2vd 3886 disjxiun 5083 pofun 5550 fmptcof 7077 fliftfuns 7262 ofmpteq 7647 tfisg 7798 qliftfuns 8744 xpf1o 9070 iunfi 9246 iundom2g 10453 lble 12099 rlimcld2 15531 sumeq2ii 15646 summolem3 15667 zsum 15671 fsum 15673 fsumf1o 15676 sumss2 15679 fsumcvg2 15680 fsumadd 15693 isummulc2 15715 fsum2dlem 15723 fsumcom2 15727 fsumshftm 15734 fsum0diag2 15736 fsummulc2 15737 fsum00 15752 fsumabs 15755 fsumrelem 15761 fsumrlim 15765 fsumo1 15766 o1fsum 15767 fsumiun 15775 isumshft 15795 prodeq2ii 15867 prodmolem3 15889 zprod 15893 fprod 15897 fprodf1o 15902 prodss 15903 fprodser 15905 fprodmul 15916 fproddiv 15917 fprodm1s 15926 fprodp1s 15927 fprodabs 15930 fprod2dlem 15936 fprodcom2 15940 fprodefsum 16051 sumeven 16347 sumodd 16348 pcmpt 16854 invfuc 17935 dprd2d2 20012 txcnp 23595 ptcnplem 23596 prdsdsf 24342 prdsxmet 24344 fsumcn 24847 ovolfiniun 25478 ovoliunnul 25484 volfiniun 25524 iunmbl 25530 limciun 25871 dvfsumle 25998 dvfsumabs 26000 dvfsumlem1 26003 dvfsumlem3 26005 dvfsumlem4 26006 dvfsumrlim 26008 dvfsumrlim2 26009 dvfsum2 26011 itgsubst 26026 fsumvma 27190 dchrisumlema 27465 dchrisumlem2 27467 dchrisumlem3 27468 nosupbnd1 27692 noinfbnd1 27707 chirred 32481 fsumiunle 32917 sigapildsyslem 34321 voliune 34389 volfiniune 34390 ptrest 37954 poimirlem25 37980 poimirlem26 37981 mzpsubst 43194 rabdiophlem2 43248 cvgcaule 45937 etransclem48 46728 sge0iunmpt 46864 2reu8i 47573 |
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