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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 12311 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | 1 | mulridi 11208 | 1 ⊢ (2 · 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 (class class class)co 7410 1c1 11096 · cmul 11100 2c2 12290 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-mulcl 11157 ax-mulcom 11159 ax-mulass 11161 ax-distr 11162 ax-1rid 11165 ax-cnre 11168 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-iota 6492 df-fv 6544 df-ov 7413 df-2 12298 |
| This theorem is referenced by: decbin2 12854 expubnd 14210 01sqrexlem7 15295 trirecip 15913 bpoly3 16107 fsumcube 16109 ege2le3 16139 cos2tsin 16230 cos2bnd 16239 odd2np1 16394 opoe 16416 flodddiv4 16468 2mulprm 16746 pythagtriplem4 16874 2503lem2 17193 2503lem3 17194 4001lem4 17199 4001prm 17200 htpycc 25139 pco1 25174 pcohtpylem 25178 pcopt 25181 pcorevlem 25185 ovolunlem1a 25655 cos2pi 26641 coskpi 26688 dcubic2 27009 dcubic 27011 basellem3 27247 chtublem 27375 bcp1ctr 27443 bclbnd 27444 bposlem1 27448 bposlem2 27449 bposlem5 27452 2lgslem3d1 27567 2sqreultlem 27611 2sqreunnltlem 27614 chebbnd1lem1 27633 chebbnd1lem3 27635 chebbnd1 27636 frgrregord013 30746 ex-ind-dvds 30812 wrdt2ind 33273 knoppndvlem12 37132 heiborlem6 38487 3lexlogpow5ineq1 42841 aks4d1p1 42863 2np3bcnp1 42931 2ap1caineq 42932 flt4lem7 43411 jm2.23 43743 sumnnodd 46366 wallispilem4 46802 wallispi2lem1 46805 wallispi2lem2 46806 wallispi2 46807 stirlinglem11 46818 dirkertrigeqlem1 46832 fouriersw 46965 fmtnorec4 48321 lighneallem2 48378 lighneallem3 48379 3exp4mod41 48388 opoeALTV 48468 fppr2odd 48516 8exp8mod9 48521 ackval2 49482 ackval2012 49491 |
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