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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 12248 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | 1 | mulridi 11141 | 1 ⊢ (2 · 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 (class class class)co 7357 1c1 11031 · cmul 11035 2c2 12228 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 ax-resscn 11087 ax-1cn 11088 ax-icn 11089 ax-addcl 11090 ax-mulcl 11092 ax-mulcom 11094 ax-mulass 11096 ax-distr 11097 ax-1rid 11100 ax-cnre 11103 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-ss 3900 df-nul 4263 df-if 4456 df-sn 4557 df-pr 4559 df-op 4563 df-uni 4840 df-br 5074 df-iota 6442 df-fv 6494 df-ov 7360 df-2 12236 |
| This theorem is referenced by: decbin2 12777 expubnd 14132 01sqrexlem7 15202 trirecip 15820 bpoly3 16015 fsumcube 16017 ege2le3 16047 cos2tsin 16138 cos2bnd 16147 odd2np1 16302 opoe 16324 flodddiv4 16376 2mulprm 16654 pythagtriplem4 16782 2503lem2 17100 2503lem3 17101 4001lem4 17106 4001prm 17107 htpycc 24966 pco1 25001 pcohtpylem 25005 pcopt 25008 pcorevlem 25012 ovolunlem1a 25482 cos2pi 26459 coskpi 26506 dcubic2 26827 dcubic 26829 basellem3 27065 chtublem 27193 bcp1ctr 27261 bclbnd 27262 bposlem1 27266 bposlem2 27267 bposlem5 27270 2lgslem3d1 27385 2sqreultlem 27429 2sqreunnltlem 27432 chebbnd1lem1 27451 chebbnd1lem3 27453 chebbnd1 27454 frgrregord013 30484 ex-ind-dvds 30550 wrdt2ind 33033 knoppndvlem12 36838 heiborlem6 38192 3lexlogpow5ineq1 42548 aks4d1p1 42570 2np3bcnp1 42638 2ap1caineq 42639 flt4lem7 43118 jm2.23 43450 sumnnodd 46083 wallispilem4 46519 wallispi2lem1 46522 wallispi2lem2 46523 wallispi2 46524 stirlinglem11 46535 dirkertrigeqlem1 46549 fouriersw 46682 fmtnorec4 48035 lighneallem2 48092 lighneallem3 48093 3exp4mod41 48102 opoeALTV 48182 fppr2odd 48230 8exp8mod9 48235 ackval2 49181 ackval2012 49190 |
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