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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 12232 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | 1 | mulridi 11148 | 1 ⊢ (2 · 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7368 1c1 11039 · cmul 11043 2c2 12212 |
| 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 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-mulcl 11100 ax-mulcom 11102 ax-mulass 11104 ax-distr 11105 ax-1rid 11108 ax-cnre 11111 |
| 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 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6456 df-fv 6508 df-ov 7371 df-2 12220 |
| This theorem is referenced by: decbin2 12760 expubnd 14113 01sqrexlem7 15183 trirecip 15798 bpoly3 15993 fsumcube 15995 ege2le3 16025 cos2tsin 16116 cos2bnd 16125 odd2np1 16280 opoe 16302 flodddiv4 16354 2mulprm 16632 pythagtriplem4 16759 2503lem2 17077 2503lem3 17078 4001lem4 17083 4001prm 17084 htpycc 24950 pco1 24986 pcohtpylem 24990 pcopt 24993 pcorevlem 24997 ovolunlem1a 25468 cos2pi 26456 coskpi 26503 dcubic2 26825 dcubic 26827 basellem3 27064 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 30486 ex-ind-dvds 30552 wrdt2ind 33050 knoppndvlem12 36749 heiborlem6 38071 3lexlogpow5ineq1 42428 aks4d1p1 42450 2np3bcnp1 42518 2ap1caineq 42519 flt4lem7 43021 jm2.23 43357 sumnnodd 45994 wallispilem4 46430 wallispi2lem1 46433 wallispi2lem2 46434 wallispi2 46435 stirlinglem11 46446 dirkertrigeqlem1 46460 fouriersw 46593 fmtnorec4 47913 lighneallem2 47970 lighneallem3 47971 3exp4mod41 47980 opoeALTV 48047 fppr2odd 48095 8exp8mod9 48100 ackval2 49046 ackval2012 49055 |
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