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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 12316 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | 1 | mulridi 11213 | 1 ⊢ (2 · 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 (class class class)co 7411 1c1 11101 · cmul 11105 2c2 12295 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-mulcl 11162 ax-mulcom 11164 ax-mulass 11166 ax-distr 11167 ax-1rid 11170 ax-cnre 11173 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-iota 6493 df-fv 6545 df-ov 7414 df-2 12303 |
| This theorem is referenced by: decbin2 12859 expubnd 14214 01sqrexlem7 15299 trirecip 15917 bpoly3 16112 fsumcube 16114 ege2le3 16144 cos2tsin 16235 cos2bnd 16244 odd2np1 16399 opoe 16421 flodddiv4 16473 2mulprm 16751 pythagtriplem4 16879 2503lem2 17198 2503lem3 17199 4001lem4 17204 4001prm 17205 htpycc 25108 pco1 25143 pcohtpylem 25147 pcopt 25150 pcorevlem 25154 ovolunlem1a 25624 cos2pi 26607 coskpi 26654 dcubic2 26975 dcubic 26977 basellem3 27213 chtublem 27341 bcp1ctr 27409 bclbnd 27410 bposlem1 27414 bposlem2 27415 bposlem5 27418 2lgslem3d1 27533 2sqreultlem 27577 2sqreunnltlem 27580 chebbnd1lem1 27599 chebbnd1lem3 27601 chebbnd1 27602 frgrregord013 30687 ex-ind-dvds 30753 wrdt2ind 33214 knoppndvlem12 37035 heiborlem6 38389 3lexlogpow5ineq1 42745 aks4d1p1 42767 2np3bcnp1 42835 2ap1caineq 42836 flt4lem7 43317 jm2.23 43649 sumnnodd 46272 wallispilem4 46708 wallispi2lem1 46711 wallispi2lem2 46712 wallispi2 46713 stirlinglem11 46724 dirkertrigeqlem1 46738 fouriersw 46871 fmtnorec4 48224 lighneallem2 48281 lighneallem3 48282 3exp4mod41 48291 opoeALTV 48371 fppr2odd 48419 8exp8mod9 48424 ackval2 49381 ackval2012 49390 |
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