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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 11700 | . 2 ⊢ 2 ∈ ℂ | |
2 | 1 | mulid1i 10634 | 1 ⊢ (2 · 1) = 2 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 (class class class)co 7135 1c1 10527 · cmul 10531 2c2 11680 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-mulcl 10588 ax-mulcom 10590 ax-mulass 10592 ax-distr 10593 ax-1rid 10596 ax-cnre 10599 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-ral 3111 df-rex 3112 df-v 3443 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-iota 6283 df-fv 6332 df-ov 7138 df-2 11688 |
This theorem is referenced by: decbin2 12227 expubnd 13537 sqrlem7 14600 trirecip 15210 bpoly3 15404 fsumcube 15406 ege2le3 15435 cos2tsin 15524 cos2bnd 15533 odd2np1 15682 opoe 15704 flodddiv4 15754 2mulprm 16027 pythagtriplem4 16146 2503lem2 16463 2503lem3 16464 4001lem4 16469 4001prm 16470 htpycc 23585 pco1 23620 pcohtpylem 23624 pcopt 23627 pcorevlem 23631 ovolunlem1a 24100 cos2pi 25069 coskpi 25115 dcubic2 25430 dcubic 25432 basellem3 25668 chtublem 25795 bcp1ctr 25863 bclbnd 25864 bposlem1 25868 bposlem2 25869 bposlem5 25872 2lgslem3d1 25987 2sqreultlem 26031 2sqreunnltlem 26034 chebbnd1lem1 26053 chebbnd1lem3 26055 chebbnd1 26056 frgrregord013 28180 ex-ind-dvds 28246 wrdt2ind 30653 knoppndvlem12 33975 heiborlem6 35254 2np3bcnp1 39348 2ap1caineq 39349 jm2.23 39937 sumnnodd 42272 wallispilem4 42710 wallispi2lem1 42713 wallispi2lem2 42714 wallispi2 42715 stirlinglem11 42726 dirkertrigeqlem1 42740 fouriersw 42873 fmtnorec4 44066 lighneallem2 44124 lighneallem3 44125 3exp4mod41 44134 opoeALTV 44201 fppr2odd 44249 8exp8mod9 44254 ackval2 45096 ackval2012 45105 |
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