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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 569 | . 2 ⊢ (𝜑 ↔ (𝜑 ∧ 𝜓)) |
| 3 | 2 | biancomi 468 | 1 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜑)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 402 |
| This theorem is used by: anabs7 677 biadaniALT 833 orabs 1014 prlem2 1071 dfeumo 2561 dfeu 2620 2moswapv 2654 2moswap 2669 exsnrex 4641 eliunxp 5817 asymref 6110 imaindm 6297 dffun9 6563 funcnv 6603 funcnv3 6604 f1ompt 7105 eufnfv 7229 dff1o6 7277 dfom2 7865 elxp4 7920 elxp5 7921 abexex 7969 dfoprab4 8053 tpostpos 8245 brwitnlem 8495 erovlem 8814 elixp2 8909 xpsnen 9060 elom3 9628 ttrclse 9707 cardval2 9997 isinfcard 10096 infmap2 10220 elznn0nn 12630 zrevaddcl 12664 qrevaddcl 13022 hash2prb 14538 hash3tpb 14561 cotr2g 15050 climreu 15644 isprm3 16774 hashbc0 17098 imasleval 17628 xpscf 17652 isssc 17910 issubmndb 18914 isgim 19390 eldprd 20134 isbrric2 20665 islmim 21247 tgval2 23182 eltg2b 23185 snfil 24091 isms2 24677 setsms 24707 elii1 25164 phtpcer 25224 elovolm 25704 ellimc2 26105 limcun 26123 1cubr 27080 fsumvma2 27451 dchrelbas3 27475 2lgslem1b 27629 dmcuts 28057 madeval2 28099 made0 28129 nbgrel 29801 rusgrnumwwlks 30446 isgrpo 30979 mdsl2i 32804 cvmdi 32806 rabfmpunirn 33127 zarcls 34385 eulerpartlemn 34893 bnj580 35423 bnj1049 35484 snmlval 35911 satf0suclem 35955 fmlasuc0 35964 elmthm 36156 brtxp2 36459 brpprod3a 36464 bj-elid6 37923 ismgmOLD 38601 brres2 39022 ralmo 39109 brxrn2 39133 dfsuccl4 39223 redundpim3 39463 prtlem100 39733 islln2 40385 islpln2 40410 islvol2 40454 prjspeclsp 43459 onsucrn 44113 dflim5 44171 en2pr 44388 pren2 44394 elmapintrab 44417 clcnvlem 44464 sprvalpw 48381 sprvalpwn0 48384 prprvalpw 48416 clnbgrel 48745 eliunxp2 49265 elbigo 49482 |
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