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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 12418 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | 1 | mulridi 11313 | 1 ⊢ (2 · 1) = 2 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7420 1c1 11201 · cmul 11205 2c2 12397 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2733 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-mulcl 11262 ax-mulcom 11264 ax-mulass 11266 ax-distr 11267 ax-1rid 11270 ax-cnre 11273 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-iota 6494 df-fv 6546 df-ov 7423 df-2 12405 |
| This theorem is used by: decbin2 12962 expubnd 14321 01sqrexlem7 15415 trirecip 16032 bpoly3 16224 fsumcube 16226 ege2le3 16256 cos2tsin 16347 cos2bnd 16356 odd2np1 16511 opoe 16533 flodddiv4 16585 2mulprm 16868 pythagtriplem4 16997 2503lem2 17316 2503lem3 17317 4001lem4 17322 4001prm 17323 htpycc 25301 pco1 25336 pcohtpylem 25340 pcopt 25343 pcorevlem 25347 ovolunlem1a 25817 cos2pi 26805 coskpi 26851 dcubic2 27172 dcubic 27174 basellem3 27410 chtublem 27538 bcp1ctr 27606 bclbnd 27607 bposlem1 27611 bposlem2 27612 bposlem5 27615 2lgslem3d1 27730 2sqreultlem 27774 2sqreunnltlem 27777 chebbnd1lem1 27796 chebbnd1lem3 27798 chebbnd1 27799 flt4lem7 27989 frgrregord013 30996 ex-ind-dvds 31062 wrdt2ind 33516 knoppndvlem12 37389 heiborlem6 38750 3lexlogpow5ineq1 43104 aks4d1p1 43126 2np3bcnp1 43194 2ap1caineq 43195 jm2.23 44002 sumnnodd 46641 wallispilem4 47077 wallispi2lem1 47080 wallispi2lem2 47081 wallispi2 47082 stirlinglem11 47093 dirkertrigeqlem1 47107 fouriersw 47240 goldratval 47935 fmtnorec4 48633 lighneallem2 48690 lighneallem3 48691 3exp4mod41 48700 opoeALTV 48780 fppr2odd 48828 8exp8mod9 48833 ackval2 49793 ackval2012 49802 |
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