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| Mirrors > Home > MPE Home > Th. List > iftruei | Structured version Visualization version GIF version | ||
| Description: Inference associated with iftrue 4491. (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 4491 | . 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 4485 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-if 4486 |
| This theorem is used by: oe0m 8564 ttrcltr 9754 ttukeylem4 10629 xnegpnf 13379 xnegmnf 13380 xaddpnf1 13396 xaddpnf2 13397 xaddmnf1 13398 xaddmnf2 13399 pnfaddmnf 13400 mnfaddpnf 13401 xmul01 13437 exp0 14248 swrd00 14834 sgn0 15285 lcm0val 16813 prmo2 17262 prmo3 17263 prmo5 17351 mulg0 19334 zzngim 21913 obsipid 22083 mvrid 22346 mamulid 22811 mamurid 22812 mat1dimid 22844 scmatf1 22901 mdetdiagid 22970 chpdmatlem3 23213 chpidmat 23220 fclscmpi 24403 ioorinv 25952 ig1pval2 26550 dgrcolem2 26648 plydivlem4 26672 vieta1lem2 26689 0cxp 27051 cxpexp 27053 lgs0 27694 lgs2 27698 2lgs2 27789 left1s 28338 exps0 28870 axlowdim 29596 1loopgrvd2 30141 eupth2 30897 ex-prmo 31117 madjusmdetlem1 34570 signsw0glem 35293 breprexp 35373 ex-sategoelel 36394 rdgprc0 36770 bj-pr11val 38133 bj-pr22val 38147 mapdhval0 43048 hdmap1val0 43122 refsum2cnlem1 46328 liminf10ex 47057 cncfiooicclem1 47176 fouriersw 47514 hspmbllem1 47909 blen0 50015 0dig1 50052 parhomid2 51082 parswapprop 51108 par2hom 51110 |
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