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| Mirrors > Home > MPE Home > Th. List > iftruei | Structured version Visualization version GIF version | ||
| Description: Inference associated with iftrue 4495. (Contributed by BJ, 7-Oct-2018.) |
| Ref | Expression |
|---|---|
| iftruei.1 | ⊢ 𝜑 |
| Ref | Expression |
|---|---|
| iftruei | ⊢ if(𝜑, 𝐴, 𝐵) = 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iftruei.1 | . 2 ⊢ 𝜑 | |
| 2 | iftrue 4495 | . 2 ⊢ (𝜑 → if(𝜑, 𝐴, 𝐵) = 𝐴) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ if(𝜑, 𝐴, 𝐵) = 𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ifcif 4489 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-if 4490 |
| This theorem is used by: oe0m 8509 ttrcltr 9692 ttukeylem4 10511 xnegpnf 13251 xnegmnf 13252 xaddpnf1 13268 xaddpnf2 13269 xaddmnf1 13270 xaddmnf2 13271 pnfaddmnf 13272 mnfaddpnf 13273 xmul01 13309 exp0 14119 swrd00 14702 sgn0 15150 lcm0val 16674 prmo2 17122 prmo3 17123 prmo5 17211 mulg0 19184 zzngim 21752 obsipid 21922 mvrid 22183 mamulid 22648 mamurid 22649 mat1dimid 22681 scmatf1 22738 mdetdiagid 22807 chpdmatlem3 23047 chpidmat 23054 fclscmpi 24237 ioorinv 25786 ig1pval2 26385 dgrcolem2 26482 plydivlem4 26508 vieta1lem2 26523 0cxp 26882 cxpexp 26884 lgs0 27525 lgs2 27529 2lgs2 27620 left1s 28139 exps0 28671 axlowdim 29366 1loopgrvd2 29911 eupth2 30661 ex-prmo 30881 madjusmdetlem1 34281 signsw0glem 35005 breprexp 35085 ex-sategoelel 35950 rdgprc0 36320 bj-pr11val 37698 bj-pr22val 37712 mapdhval0 42557 hdmap1val0 42631 refsum2cnlem1 45815 liminf10ex 46546 cncfiooicclem1 46665 fouriersw 47003 hspmbllem1 47398 blen0 49409 0dig1 49446 |
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