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| Mirrors > Home > MPE Home > Th. List > iftruei | Structured version Visualization version GIF version | ||
| Description: Inference associated with iftrue 4488. (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 4488 | . 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 4482 |
| 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 2147 ax-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-if 4483 |
| This theorem is used by: oe0m 8519 ttrcltr 9710 ttukeylem4 10583 xnegpnf 13332 xnegmnf 13333 xaddpnf1 13349 xaddpnf2 13350 xaddmnf1 13351 xaddmnf2 13352 pnfaddmnf 13353 mnfaddpnf 13354 xmul01 13390 exp0 14201 swrd00 14785 sgn0 15235 lcm0val 16762 prmo2 17211 prmo3 17212 prmo5 17300 mulg0 19277 zzngim 21851 obsipid 22021 mvrid 22284 mamulid 22749 mamurid 22750 mat1dimid 22782 scmatf1 22839 mdetdiagid 22908 chpdmatlem3 23151 chpidmat 23158 fclscmpi 24341 ioorinv 25890 ig1pval2 26488 dgrcolem2 26586 plydivlem4 26610 vieta1lem2 26627 0cxp 26987 cxpexp 26989 lgs0 27630 lgs2 27634 2lgs2 27725 left1s 28274 exps0 28806 axlowdim 29532 1loopgrvd2 30077 eupth2 30833 ex-prmo 31053 madjusmdetlem1 34452 signsw0glem 35175 breprexp 35255 ex-sategoelel 36165 rdgprc0 36535 bj-pr11val 37898 bj-pr22val 37912 mapdhval0 42762 hdmap1val0 42836 refsum2cnlem1 46023 liminf10ex 46753 cncfiooicclem1 46872 fouriersw 47210 hspmbllem1 47605 blen0 49653 0dig1 49690 |
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