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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 2927 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1937 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1919 | . . . 4 ⊢ Ⅎ𝑥(𝐴 ∈ 𝐵 → 𝜓) |
| 6 | eleq1 2853 | . . . . 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 3553 | . . 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 1561 = wceq 1563 Ⅎwnf 1806 ∈ wcel 2145 ∀wral 3079 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-ex 1803 df-nf 1807 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ral 3080 |
| This theorem is referenced by: rspc2 3593 rspc2vd 3903 disjxiun 5102 pofun 5578 fmptcof 7116 fliftfuns 7302 ofmpteq 7687 tfisg 7838 qliftfuns 8790 xpf1o 9115 iunfi 9288 iundom2g 10512 lble 12158 rlimcld2 15619 sumeq2ii 15734 summolem3 15755 zsum 15759 fsum 15761 fsumf1o 15764 sumss2 15767 fsumcvg2 15768 fsumadd 15781 isummulc2 15803 fsum2dlem 15811 fsumcom2 15815 fsumshftm 15822 fsum0diag2 15824 fsummulc2 15825 fsum00 15840 fsumabs 15843 fsumrelem 15849 fsumrlim 15853 fsumo1 15854 o1fsum 15855 fsumiun 15863 isumshft 15883 prodeq2ii 15955 prodmolem3 15977 zprod 15981 fprod 15985 fprodf1o 15990 prodss 15991 fprodser 15993 fprodmul 16004 fproddiv 16005 fprodm1s 16014 fprodp1s 16015 fprodabs 16018 fprod2dlem 16024 fprodcom2 16028 fprodefsum 16139 sumeven 16435 sumodd 16436 pcmpt 16942 invfuc 18024 dprd2d2 20107 txcnp 23738 ptcnplem 23739 prdsdsf 24485 prdsxmet 24487 fsumcn 24990 ovolfiniun 25621 ovoliunnul 25627 volfiniun 25667 iunmbl 25673 limciun 26014 dvfsumle 26141 dvfsumabs 26143 dvfsumlem1 26146 dvfsumlem3 26148 dvfsumlem4 26149 dvfsumrlim 26151 dvfsumrlim2 26152 dvfsum2 26154 itgsubst 26169 fsumvma 27335 dchrisumlema 27610 dchrisumlem2 27612 dchrisumlem3 27613 nosupbnd1 27836 noinfbnd1 27851 chirred 32656 fsumiunle 33086 sigapildsyslem 34468 voliune 34536 volfiniune 34537 ptrest 38130 poimirlem25 38156 poimirlem26 38157 mzpsubst 43341 rabdiophlem2 43391 cvgcaule 46063 etransclem48 46854 sge0iunmpt 46990 2reu8i 47705 |
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