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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 12222 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | 1 | mulridi 11138 | 1 ⊢ (2 · 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7358 1c1 11029 · cmul 11033 2c2 12202 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-mulcl 11090 ax-mulcom 11092 ax-mulass 11094 ax-distr 11095 ax-1rid 11098 ax-cnre 11101 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-iota 6448 df-fv 6500 df-ov 7361 df-2 12210 |
| This theorem is referenced by: decbin2 12750 expubnd 14103 01sqrexlem7 15173 trirecip 15788 bpoly3 15983 fsumcube 15985 ege2le3 16015 cos2tsin 16106 cos2bnd 16115 odd2np1 16270 opoe 16292 flodddiv4 16344 2mulprm 16622 pythagtriplem4 16749 2503lem2 17067 2503lem3 17068 4001lem4 17073 4001prm 17074 htpycc 24937 pco1 24973 pcohtpylem 24977 pcopt 24980 pcorevlem 24984 ovolunlem1a 25455 cos2pi 26443 coskpi 26490 dcubic2 26812 dcubic 26814 basellem3 27051 chtublem 27180 bcp1ctr 27248 bclbnd 27249 bposlem1 27253 bposlem2 27254 bposlem5 27257 2lgslem3d1 27372 2sqreultlem 27416 2sqreunnltlem 27419 chebbnd1lem1 27438 chebbnd1lem3 27440 chebbnd1 27441 frgrregord013 30472 ex-ind-dvds 30538 wrdt2ind 33037 knoppndvlem12 36725 heiborlem6 38019 3lexlogpow5ineq1 42330 aks4d1p1 42352 2np3bcnp1 42420 2ap1caineq 42421 flt4lem7 42923 jm2.23 43259 sumnnodd 45897 wallispilem4 46333 wallispi2lem1 46336 wallispi2lem2 46337 wallispi2 46338 stirlinglem11 46349 dirkertrigeqlem1 46363 fouriersw 46496 fmtnorec4 47816 lighneallem2 47873 lighneallem3 47874 3exp4mod41 47883 opoeALTV 47950 fppr2odd 47998 8exp8mod9 48003 ackval2 48949 ackval2012 48958 |
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