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| Mirrors > Home > MPE Home > Th. List > pm4.71ri | Structured version Visualization version GIF version | ||
| Description: Inference converting an implication to a biconditional with conjunction. Inference from Theorem *4.71 of [WhiteheadRussell] p. 120 (with conjunct reversed). (Contributed by NM, 1-Dec-2003.) |
| Ref | Expression |
|---|---|
| pm4.71ri.1 | ⊢ (𝜑 → 𝜓) |
| Ref | Expression |
|---|---|
| pm4.71ri | ⊢ (𝜑 ↔ (𝜓 ∧ 𝜑)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm4.71ri.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 2 | 1 | pm4.71i 559 | . 2 ⊢ (𝜑 ↔ (𝜑 ∧ 𝜓)) |
| 3 | 2 | biancomi 462 | 1 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜑)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This theorem depends on definitions: df-bi 207 df-an 396 |
| This theorem is referenced by: anabs7 665 biadaniALT 821 orabs 1001 prlem2 1056 dfeumo 2536 dfeu 2595 2moswapv 2629 2moswap 2644 exsnrex 4624 eliunxp 5792 asymref 6079 imaindm 6263 dffun9 6527 funcnv 6567 funcnv3 6568 f1ompt 7063 eufnfv 7184 dff1o6 7230 dfom2 7819 elxp4 7873 elxp5 7874 abexex 7924 dfoprab4 8008 tpostpos 8196 brwitnlem 8442 erovlem 8760 elixp2 8849 xpsnen 8999 elom3 9569 ttrclse 9648 cardval2 9915 isinfcard 10014 infmap2 10139 elznn0nn 12538 zrevaddcl 12572 qrevaddcl 12921 hash2prb 14434 hash3tpb 14457 cotr2g 14938 climreu 15518 isprm3 16652 hashbc0 16976 imasleval 17505 xpscf 17529 isssc 17787 issubmndb 18773 isgim 19237 eldprd 19981 brric2 20483 islmim 21057 tgval2 22921 eltg2b 22924 snfil 23829 isms2 24415 setsms 24445 elii1 24902 phtpcer 24962 elovolm 25442 ellimc2 25844 limcun 25862 1cubr 26806 fsumvma2 27177 dchrelbas3 27201 2lgslem1b 27355 dmcuts 27783 madeval2 27825 made0 27855 nbgrel 29409 rusgrnumwwlks 30045 isgrpo 30568 mdsl2i 32393 cvmdi 32395 rabfmpunirn 32726 zarcls 34018 eulerpartlemn 34525 bnj580 35055 bnj1049 35116 snmlval 35513 satf0suclem 35557 fmlasuc0 35566 elmthm 35758 brtxp2 36061 brpprod3a 36066 bj-elid6 37484 ismgmOLD 38171 brres2 38594 ralmo 38681 brxrn2 38705 dfsuccl4 38795 redundpim3 39035 prtlem100 39305 islln2 39957 islpln2 39982 islvol2 40026 prjspeclsp 43045 onsucrn 43699 dflim5 43757 en2pr 43974 pren2 43980 elmapintrab 44003 clcnvlem 44050 sprvalpw 47940 sprvalpwn0 47943 prprvalpw 47975 clnbgrel 48304 eliunxp2 48810 elbigo 49027 |
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