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| Mirrors > Home > MPE Home > Th. List > r19.26 | Structured version Visualization version GIF version | ||
| Description: Restricted quantifier version of 19.26 1897. (Contributed by NM, 28-Jan-1997.) (Proof shortened by Andrew Salmon, 30-May-2011.) |
| Ref | Expression |
|---|---|
| r19.26 | ⊢ (∀𝑥 ∈ 𝐴 (𝜑 ∧ 𝜓) ↔ (∀𝑥 ∈ 𝐴 𝜑 ∧ ∀𝑥 ∈ 𝐴 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 487 | . . . 4 ⊢ ((𝜑 ∧ 𝜓) → 𝜑) | |
| 2 | 1 | ralimi 3108 | . . 3 ⊢ (∀𝑥 ∈ 𝐴 (𝜑 ∧ 𝜓) → ∀𝑥 ∈ 𝐴 𝜑) |
| 3 | simpr 489 | . . . 4 ⊢ ((𝜑 ∧ 𝜓) → 𝜓) | |
| 4 | 3 | ralimi 3108 | . . 3 ⊢ (∀𝑥 ∈ 𝐴 (𝜑 ∧ 𝜓) → ∀𝑥 ∈ 𝐴 𝜓) |
| 5 | 2, 4 | jca 520 | . 2 ⊢ (∀𝑥 ∈ 𝐴 (𝜑 ∧ 𝜓) → (∀𝑥 ∈ 𝐴 𝜑 ∧ ∀𝑥 ∈ 𝐴 𝜓)) |
| 6 | pm3.2 474 | . . . 4 ⊢ (𝜑 → (𝜓 → (𝜑 ∧ 𝜓))) | |
| 7 | 6 | ral2imi 3110 | . . 3 ⊢ (∀𝑥 ∈ 𝐴 𝜑 → (∀𝑥 ∈ 𝐴 𝜓 → ∀𝑥 ∈ 𝐴 (𝜑 ∧ 𝜓))) |
| 8 | 7 | imp 411 | . 2 ⊢ ((∀𝑥 ∈ 𝐴 𝜑 ∧ ∀𝑥 ∈ 𝐴 𝜓) → ∀𝑥 ∈ 𝐴 (𝜑 ∧ 𝜓)) |
| 9 | 5, 8 | impbii 212 | 1 ⊢ (∀𝑥 ∈ 𝐴 (𝜑 ∧ 𝜓) ↔ (∀𝑥 ∈ 𝐴 𝜑 ∧ ∀𝑥 ∈ 𝐴 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ∧ wa 400 ∀wral 3085 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ral 3086 |
| This theorem is referenced by: r19.26-3 3132 ralbiim 3133 2ralbiim 3150 r19.26-2 3156 r19.27v 3200 r19.28v 3202 reu8 3705 ssrab 4033 r19.28z 4468 r19.27z 4476 ralnralall 4479 2reu4lem 4489 2ralunsn 4864 iuneq2 4980 disjxun 5111 triin 5239 asymref2 6118 cnvpo 6289 dfpo2 6298 fncnv 6610 fnres 6663 mptfnf 6671 fnopabg 6673 mpteqb 7010 eqfnfv3 7028 fvn0ssdmfun 7070 caoftrn 7716 poseq 8153 wfr3g 8315 iiner 8786 ixpeq2 8908 ixpin 8920 ixpfi2 9306 wemaplem2 9508 frr3g 9727 dfac5 10111 kmlem6 10138 eltsk2g 10735 intgru 10798 axgroth6 10812 fsequb 14010 rexanuz 15396 rexanre 15397 cau3lem 15405 rlimcn3 15640 o1of2 15663 o1rlimmul 15669 climbdd 15722 sqrt2irr 16304 gcdcllem1 16556 pc11 16939 prmreclem2 16976 catpropd 17764 issubc3 17905 fucinv 18032 ispos2 18370 issubg3 19210 issubg4 19211 pmtrdifwrdel2 19555 ringsrg 20379 iunocv 21799 cply1mul 22424 scmatf1 22656 cpmatsubgpmat 22845 tgval2 23081 1stcelcls 23586 ptclsg 23740 ptcnplem 23746 fbun 23965 txflf 24131 ucncn 24409 prdsmet 24495 metequiv 24634 metequiv2 24635 ncvsi 25278 iscau4 25406 cmetcaulem 25415 evthicc2 25587 ismbfcn 25756 mbfi1flimlem 25849 rolle 26117 itgsubst 26176 plydivex 26426 ulmcaulem 26522 ulmcau 26523 ulmbdd 26526 ulmcn 26527 mumullem2 27309 2sqlem6 27552 oldfib 28535 tgcgr4 28765 axpasch 29231 axeuclid 29253 axcontlem2 29255 axcontlem4 29257 axcontlem7 29260 vtxd0nedgb 29778 fusgrregdegfi 29859 rusgr1vtxlem 29877 uspgr2wlkeq 29935 wlkdlem4 29973 lfgriswlk 29976 frgrreg 30685 frgrregord013 30686 friendshipgt3 30689 ocsh 31575 spanuni 31836 riesz4i 32355 leopadd 32424 leoptri 32428 leoptr 32429 inpr0 32818 disjunsn 32879 voliune 34563 volfiniune 34564 eulerpartlemr 34708 eulerpartlemn 34715 nummin 35426 fmlasucdisj 35789 wzel 36212 neibastop1 36758 numiunnum 36869 phpreu 38142 ptrecube 38158 poimirlem23 38181 poimirlem27 38185 ovoliunnfl 38200 voliunnfl 38202 volsupnfl 38203 itg2addnc 38212 inixp 38266 rngoueqz 38478 intidl 38567 pclclN 40554 tendoeq2 41437 deg1gprod 42796 mzpincl 43356 lerabdioph 43423 ltrabdioph 43426 nerabdioph 43427 dvdsrabdioph 43428 dford3lem1 43644 gneispace 44751 ssrabf 45723 r19.28zf 45768 climxrre 46355 stoweidlem7 46612 stoweidlem54 46659 dirkercncflem3 46710 ply1mulgsumlem1 49050 ldepsnlinclem1 49169 ldepsnlinclem2 49170 iinxp 49493 nelsubc2 49731 |
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