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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 568 | . 2 ⊢ (𝜑 ↔ (𝜑 ∧ 𝜓)) |
| 3 | 2 | biancomi 467 | 1 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜑)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 |
| 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 210 df-an 401 |
| This theorem is referenced by: anabs7 676 biadaniALT 832 orabs 1014 prlem2 1069 dfeumo 2566 dfeu 2625 2moswapv 2659 2moswap 2674 exsnrex 4642 eliunxp 5814 asymref 6107 imaindm 6290 dffun9 6554 funcnv 6594 funcnv3 6595 f1ompt 7096 eufnfv 7217 dff1o6 7263 dfom2 7852 elxp4 7907 elxp5 7908 abexex 7956 dfoprab4 8040 tpostpos 8230 brwitnlem 8480 erovlem 8799 elixp2 8887 xpsnen 9037 elom3 9605 ttrclse 9684 cardval2 9965 isinfcard 10064 infmap2 10188 elznn0nn 12596 zrevaddcl 12630 qrevaddcl 12986 hash2prb 14499 hash3tpb 14522 cotr2g 15003 climreu 15597 isprm3 16731 hashbc0 17055 imasleval 17585 xpscf 17609 isssc 17867 issubmndb 18853 isgim 19323 eldprd 20067 brric2 20580 islmim 21152 tgval2 23074 eltg2b 23077 snfil 23982 isms2 24568 setsms 24598 elii1 25055 phtpcer 25115 elovolm 25595 ellimc2 25997 limcun 26015 1cubr 26965 fsumvma2 27336 dchrelbas3 27360 2lgslem1b 27514 dmcuts 27942 madeval2 27984 made0 28014 nbgrel 29599 rusgrnumwwlks 30235 isgrpo 30758 mdsl2i 32583 cvmdi 32585 rabfmpunirn 32910 zarcls 34181 eulerpartlemn 34688 bnj580 35218 bnj1049 35279 snmlval 35694 satf0suclem 35738 fmlasuc0 35747 elmthm 35939 brtxp2 36242 brpprod3a 36247 bj-elid6 37674 ismgmOLD 38361 brres2 38784 ralmo 38871 brxrn2 38895 dfsuccl4 38985 redundpim3 39225 prtlem100 39495 islln2 40147 islpln2 40172 islvol2 40216 prjspeclsp 43206 onsucrn 43860 dflim5 43918 en2pr 44135 pren2 44141 elmapintrab 44164 clcnvlem 44211 sprvalpw 48084 sprvalpwn0 48087 prprvalpw 48119 clnbgrel 48448 eliunxp2 48965 elbigo 49182 |
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