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| Mirrors > Home > MPE Home > Th. List > 2t1e2 | Structured version Visualization version GIF version | ||
| Description: 2 times 1 equals 2. (Contributed by David A. Wheeler, 6-Dec-2018.) |
| Ref | Expression |
|---|---|
| 2t1e2 | ⊢ (2 · 1) = 2 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2cn 12250 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | 1 | mulridi 11143 | 1 ⊢ (2 · 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7361 1c1 11033 · cmul 11037 2c2 12230 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-mulcl 11094 ax-mulcom 11096 ax-mulass 11098 ax-distr 11099 ax-1rid 11102 ax-cnre 11105 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6449 df-fv 6501 df-ov 7364 df-2 12238 |
| This theorem is referenced by: decbin2 12779 expubnd 14134 01sqrexlem7 15204 trirecip 15822 bpoly3 16017 fsumcube 16019 ege2le3 16049 cos2tsin 16140 cos2bnd 16149 odd2np1 16304 opoe 16326 flodddiv4 16378 2mulprm 16656 pythagtriplem4 16784 2503lem2 17102 2503lem3 17103 4001lem4 17108 4001prm 17109 htpycc 24960 pco1 24995 pcohtpylem 24999 pcopt 25002 pcorevlem 25006 ovolunlem1a 25476 cos2pi 26456 coskpi 26503 dcubic2 26824 dcubic 26826 basellem3 27063 chtublem 27191 bcp1ctr 27259 bclbnd 27260 bposlem1 27264 bposlem2 27265 bposlem5 27268 2lgslem3d1 27383 2sqreultlem 27427 2sqreunnltlem 27430 chebbnd1lem1 27449 chebbnd1lem3 27451 chebbnd1 27452 frgrregord013 30483 ex-ind-dvds 30549 wrdt2ind 33031 knoppndvlem12 36802 heiborlem6 38154 3lexlogpow5ineq1 42510 aks4d1p1 42532 2np3bcnp1 42600 2ap1caineq 42601 flt4lem7 43109 jm2.23 43445 sumnnodd 46081 wallispilem4 46517 wallispi2lem1 46520 wallispi2lem2 46521 wallispi2 46522 stirlinglem11 46533 dirkertrigeqlem1 46547 fouriersw 46680 fmtnorec4 48027 lighneallem2 48084 lighneallem3 48085 3exp4mod41 48094 opoeALTV 48174 fppr2odd 48222 8exp8mod9 48227 ackval2 49173 ackval2012 49182 |
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