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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 3076 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜑)) | |
| 2 | nfcv 2923 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfv 1933 | . . . . 5 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 | |
| 4 | rspc.1 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
| 5 | 3, 4 | nfim 1915 | . . . 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 346 | . . . 4 ⊢ (𝑥 = 𝐴 → ((𝑥 ∈ 𝐵 → 𝜑) ↔ (𝐴 ∈ 𝐵 → 𝜓))) |
| 9 | 2, 5, 8 | spcgf 3550 | . . 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 244 | 1 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∀wal 1557 = wceq 1559 Ⅎwnf 1802 ∈ wcel 2141 ∀wral 3075 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-ex 1799 df-nf 1803 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ral 3076 |
| This theorem is referenced by: rspc2 3590 rspc2vd 3900 disjxiun 5096 pofun 5571 fmptcof 7108 fliftfuns 7294 ofmpteq 7679 tfisg 7830 qliftfuns 8781 xpf1o 9107 iunfi 9283 iundom2g 10494 lble 12141 rlimcld2 15588 sumeq2ii 15703 summolem3 15724 zsum 15728 fsum 15730 fsumf1o 15733 sumss2 15736 fsumcvg2 15737 fsumadd 15750 isummulc2 15772 fsum2dlem 15780 fsumcom2 15784 fsumshftm 15791 fsum0diag2 15793 fsummulc2 15794 fsum00 15809 fsumabs 15812 fsumrelem 15818 fsumrlim 15822 fsumo1 15823 o1fsum 15824 fsumiun 15832 isumshft 15852 prodeq2ii 15924 prodmolem3 15946 zprod 15950 fprod 15954 fprodf1o 15959 prodss 15960 fprodser 15962 fprodmul 15973 fproddiv 15974 fprodm1s 15983 fprodp1s 15984 fprodabs 15987 fprod2dlem 15993 fprodcom2 15997 fprodefsum 16108 sumeven 16404 sumodd 16405 pcmpt 16911 invfuc 17993 dprd2d2 20069 txcnp 23660 ptcnplem 23661 prdsdsf 24407 prdsxmet 24409 fsumcn 24912 ovolfiniun 25543 ovoliunnul 25549 volfiniun 25589 iunmbl 25595 limciun 25936 dvfsumle 26063 dvfsumabs 26065 dvfsumlem1 26068 dvfsumlem3 26070 dvfsumlem4 26071 dvfsumrlim 26073 dvfsumrlim2 26074 dvfsum2 26076 itgsubst 26091 fsumvma 27254 dchrisumlema 27529 dchrisumlem2 27531 dchrisumlem3 27532 nosupbnd1 27755 noinfbnd1 27770 chirred 32544 fsumiunle 32981 sigapildsyslem 34419 voliune 34487 volfiniune 34488 ptrest 38082 poimirlem25 38108 poimirlem26 38109 mzpsubst 43293 rabdiophlem2 43343 cvgcaule 46029 etransclem48 46820 sge0iunmpt 46956 2reu8i 47671 |
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