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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 11713 | . 2 ⊢ 2 ∈ ℂ | |
2 | 1 | mulid1i 10645 | 1 ⊢ (2 · 1) = 2 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 (class class class)co 7156 1c1 10538 · cmul 10542 2c2 11693 |
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 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-mulcl 10599 ax-mulcom 10601 ax-mulass 10603 ax-distr 10604 ax-1rid 10607 ax-cnre 10610 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-iota 6314 df-fv 6363 df-ov 7159 df-2 11701 |
This theorem is referenced by: decbin2 12240 expubnd 13542 sqrlem7 14608 trirecip 15218 bpoly3 15412 fsumcube 15414 ege2le3 15443 cos2tsin 15532 cos2bnd 15541 odd2np1 15690 opoe 15712 flodddiv4 15764 2mulprm 16037 pythagtriplem4 16156 2503lem2 16471 2503lem3 16472 4001lem4 16477 4001prm 16478 htpycc 23584 pco1 23619 pcohtpylem 23623 pcopt 23626 pcorevlem 23630 ovolunlem1a 24097 cos2pi 25062 coskpi 25108 dcubic2 25422 dcubic 25424 basellem3 25660 chtublem 25787 bcp1ctr 25855 bclbnd 25856 bposlem1 25860 bposlem2 25861 bposlem5 25864 2lgslem3d1 25979 2sqreultlem 26023 2sqreunnltlem 26026 chebbnd1lem1 26045 chebbnd1lem3 26047 chebbnd1 26048 frgrregord013 28174 ex-ind-dvds 28240 wrdt2ind 30627 knoppndvlem12 33862 heiborlem6 35109 jm2.23 39613 sumnnodd 41931 wallispilem4 42373 wallispi2lem1 42376 wallispi2lem2 42377 wallispi2 42378 stirlinglem11 42389 dirkertrigeqlem1 42403 fouriersw 42536 fmtnorec4 43731 lighneallem2 43791 lighneallem3 43792 3exp4mod41 43801 opoeALTV 43868 fppr2odd 43916 8exp8mod9 43921 |
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