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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 664 biadaniALT 820 orabs 1000 prlem2 1055 dfeumo 2530 dfeu 2588 2moswapv 2622 2moswap 2637 exsnrex 4630 eliunxp 5774 asymref 6059 imaindm 6241 dffun9 6505 funcnv 6545 funcnv3 6546 f1ompt 7038 eufnfv 7157 dff1o6 7203 dfom2 7792 elxp4 7846 elxp5 7847 abexex 7897 dfoprab4 7981 tpostpos 8170 brwitnlem 8416 erovlem 8731 elixp2 8819 xpsnen 8968 elom3 9532 ttrclse 9611 cardval2 9875 isinfcard 9974 infmap2 10099 elznn0nn 12473 zrevaddcl 12508 qrevaddcl 12860 hash2prb 14367 hash3tpb 14390 cotr2g 14870 climreu 15450 isprm3 16581 hashbc0 16904 imasleval 17432 xpscf 17456 isssc 17714 issubmndb 18666 isgim 19128 eldprd 19872 brric2 20375 islmim 20950 tgval2 22825 eltg2b 22828 snfil 23733 isms2 24319 setsms 24349 elii1 24812 phtpcer 24875 elovolm 25357 ellimc2 25759 limcun 25777 1cubr 26733 fsumvma2 27106 dchrelbas3 27130 2lgslem1b 27284 dmscut 27706 madeval2 27748 made0 27772 nbgrel 29272 rusgrnumwwlks 29906 isgrpo 30428 mdsl2i 32253 cvmdi 32255 rabfmpunirn 32587 zarcls 33855 eulerpartlemn 34362 bnj580 34893 bnj1049 34954 snmlval 35321 satf0suclem 35365 fmlasuc0 35374 elmthm 35566 brtxp2 35872 brpprod3a 35877 bj-elid6 37161 ismgmOLD 37847 brres2 38260 brxrn2 38360 redundpim3 38624 prtlem100 38855 islln2 39507 islpln2 39532 islvol2 39576 prjspeclsp 42602 onsucrn 43261 dflim5 43319 en2pr 43537 pren2 43543 elmapintrab 43566 clcnvlem 43613 sprvalpw 47478 sprvalpwn0 47481 prprvalpw 47513 clnbgrel 47826 eliunxp2 48332 elbigo 48550 |
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