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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 12294 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | 1 | mulridi 11187 | 1 ⊢ (2 · 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1561 (class class class)co 7397 1c1 11075 · cmul 11079 2c2 12273 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-ext 2735 ax-resscn 11131 ax-1cn 11132 ax-icn 11133 ax-addcl 11134 ax-mulcl 11136 ax-mulcom 11138 ax-mulass 11140 ax-distr 11141 ax-1rid 11144 ax-cnre 11147 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-sb 2092 df-clab 2742 df-cleq 2755 df-clel 2838 df-rex 3088 df-rab 3416 df-v 3457 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5102 df-iota 6478 df-fv 6530 df-ov 7400 df-2 12281 |
| This theorem is referenced by: decbin2 12837 expubnd 14192 01sqrexlem7 15276 trirecip 15894 bpoly3 16089 fsumcube 16091 ege2le3 16121 cos2tsin 16212 cos2bnd 16221 odd2np1 16376 opoe 16398 flodddiv4 16450 2mulprm 16728 pythagtriplem4 16856 2503lem2 17175 2503lem3 17176 4001lem4 17181 4001prm 17182 htpycc 25043 pco1 25078 pcohtpylem 25082 pcopt 25085 pcorevlem 25089 ovolunlem1a 25559 cos2pi 26542 coskpi 26589 dcubic2 26910 dcubic 26912 basellem3 27148 chtublem 27276 bcp1ctr 27344 bclbnd 27345 bposlem1 27349 bposlem2 27350 bposlem5 27353 2lgslem3d1 27468 2sqreultlem 27512 2sqreunnltlem 27515 chebbnd1lem1 27534 chebbnd1lem3 27536 chebbnd1 27537 frgrregord013 30598 ex-ind-dvds 30664 wrdt2ind 33132 knoppndvlem12 36962 heiborlem6 38316 3lexlogpow5ineq1 42672 aks4d1p1 42694 2np3bcnp1 42762 2ap1caineq 42763 flt4lem7 43242 jm2.23 43574 sumnnodd 46207 wallispilem4 46643 wallispi2lem1 46646 wallispi2lem2 46647 wallispi2 46648 stirlinglem11 46659 dirkertrigeqlem1 46673 fouriersw 46806 fmtnorec4 48159 lighneallem2 48216 lighneallem3 48217 3exp4mod41 48226 opoeALTV 48306 fppr2odd 48354 8exp8mod9 48359 ackval2 49305 ackval2012 49314 |
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