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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 564 | . 2 ⊢ (𝜑 ↔ (𝜑 ∧ 𝜓)) |
| 3 | 2 | biancomi 463 | 1 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜑)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 207 ∧ wa 396 |
| 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 208 df-an 397 |
| This theorem is referenced by: anabs7 670 biadaniALT 826 orabs 1006 prlem2 1061 dfeumo 2540 dfeu 2599 2moswapv 2633 2moswap 2648 exsnrex 4612 eliunxp 5779 asymref 6066 imaindm 6250 dffun9 6514 funcnv 6554 funcnv3 6555 f1ompt 7052 eufnfv 7173 dff1o6 7219 dfom2 7808 elxp4 7862 elxp5 7863 abexex 7913 dfoprab4 7997 tpostpos 8186 brwitnlem 8432 erovlem 8750 elixp2 8839 xpsnen 8989 elom3 9560 ttrclse 9639 cardval2 9906 isinfcard 10005 infmap2 10130 elznn0nn 12529 zrevaddcl 12563 qrevaddcl 12912 hash2prb 14425 hash3tpb 14448 cotr2g 14929 climreu 15509 isprm3 16643 hashbc0 16967 imasleval 17496 xpscf 17520 isssc 17778 issubmndb 18764 isgim 19228 eldprd 19972 brric2 20478 islmim 21052 tgval2 22939 eltg2b 22942 snfil 23847 isms2 24433 setsms 24463 elii1 24920 phtpcer 24980 elovolm 25460 ellimc2 25862 limcun 25880 1cubr 26824 fsumvma2 27195 dchrelbas3 27219 2lgslem1b 27373 dmcuts 27801 madeval2 27843 made0 27873 nbgrel 29427 rusgrnumwwlks 30063 isgrpo 30586 mdsl2i 32411 cvmdi 32413 rabfmpunirn 32745 zarcls 34058 eulerpartlemn 34565 bnj580 35095 bnj1049 35156 snmlval 35559 satf0suclem 35603 fmlasuc0 35612 elmthm 35804 brtxp2 36107 brpprod3a 36112 bj-elid6 37530 ismgmOLD 38217 brres2 38640 ralmo 38727 brxrn2 38751 dfsuccl4 38841 redundpim3 39081 prtlem100 39351 islln2 40003 islpln2 40028 islvol2 40072 prjspeclsp 43062 onsucrn 43716 dflim5 43774 en2pr 43991 pren2 43997 elmapintrab 44020 clcnvlem 44067 sprvalpw 47955 sprvalpwn0 47958 prprvalpw 47990 clnbgrel 48319 eliunxp2 48825 elbigo 49042 |
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