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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 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-if 4483 |
| This theorem is used by: oe0m 8505 ttrcltr 9695 ttukeylem4 10514 xnegpnf 13261 xnegmnf 13262 xaddpnf1 13278 xaddpnf2 13279 xaddmnf1 13280 xaddmnf2 13281 pnfaddmnf 13282 mnfaddpnf 13283 xmul01 13319 exp0 14129 swrd00 14712 sgn0 15162 lcm0val 16684 prmo2 17132 prmo3 17133 prmo5 17221 mulg0 19197 zzngim 21765 obsipid 21935 mvrid 22198 mamulid 22663 mamurid 22664 mat1dimid 22696 scmatf1 22753 mdetdiagid 22822 chpdmatlem3 23065 chpidmat 23072 fclscmpi 24255 ioorinv 25804 ig1pval2 26402 dgrcolem2 26500 plydivlem4 26526 vieta1lem2 26543 0cxp 26903 cxpexp 26905 lgs0 27546 lgs2 27550 2lgs2 27641 left1s 28160 exps0 28692 axlowdim 29418 1loopgrvd2 29963 eupth2 30719 ex-prmo 30939 madjusmdetlem1 34337 signsw0glem 35061 breprexp 35141 ex-sategoelel 36000 rdgprc0 36370 bj-pr11val 37749 bj-pr22val 37763 mapdhval0 42598 hdmap1val0 42672 refsum2cnlem1 45871 liminf10ex 46602 cncfiooicclem1 46721 fouriersw 47059 hspmbllem1 47454 blen0 49502 0dig1 49539 |
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