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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 2537 dfeu 2596 2moswapv 2630 2moswap 2645 exsnrex 4625 eliunxp 5787 asymref 6074 imaindm 6258 dffun9 6522 funcnv 6562 funcnv3 6563 f1ompt 7058 eufnfv 7178 dff1o6 7224 dfom2 7813 elxp4 7867 elxp5 7868 abexex 7918 dfoprab4 8002 tpostpos 8190 brwitnlem 8436 erovlem 8754 elixp2 8843 xpsnen 8993 elom3 9563 ttrclse 9642 cardval2 9909 isinfcard 10008 infmap2 10133 elznn0nn 12532 zrevaddcl 12566 qrevaddcl 12915 hash2prb 14428 hash3tpb 14451 cotr2g 14932 climreu 15512 isprm3 16646 hashbc0 16970 imasleval 17499 xpscf 17523 isssc 17781 issubmndb 18767 isgim 19231 eldprd 19975 brric2 20477 islmim 21052 tgval2 22934 eltg2b 22937 snfil 23842 isms2 24428 setsms 24458 elii1 24915 phtpcer 24975 elovolm 25455 ellimc2 25857 limcun 25875 1cubr 26822 fsumvma2 27194 dchrelbas3 27218 2lgslem1b 27372 dmcuts 27800 madeval2 27842 made0 27872 nbgrel 29426 rusgrnumwwlks 30063 isgrpo 30586 mdsl2i 32411 cvmdi 32413 rabfmpunirn 32744 zarcls 34037 eulerpartlemn 34544 bnj580 35074 bnj1049 35135 snmlval 35532 satf0suclem 35576 fmlasuc0 35585 elmthm 35777 brtxp2 36080 brpprod3a 36085 bj-elid6 37503 ismgmOLD 38188 brres2 38611 ralmo 38698 brxrn2 38722 dfsuccl4 38812 redundpim3 39052 prtlem100 39322 islln2 39974 islpln2 39999 islvol2 40043 prjspeclsp 43062 onsucrn 43720 dflim5 43778 en2pr 43995 pren2 44001 elmapintrab 44024 clcnvlem 44071 sprvalpw 47955 sprvalpwn0 47958 prprvalpw 47990 clnbgrel 48319 eliunxp2 48825 elbigo 49042 |
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