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Mirrors > Home > MPE Home > Th. List > 1t1e1 | Structured version Visualization version GIF version |
Description: 1 times 1 equals 1. (Contributed by David A. Wheeler, 7-Jul-2016.) |
Ref | Expression |
---|---|
1t1e1 | ⊢ (1 · 1) = 1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1cn 10584 | . 2 ⊢ 1 ∈ ℂ | |
2 | 1 | mulid1i 10634 | 1 ⊢ (1 · 1) = 1 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 (class class class)co 7135 1c1 10527 · cmul 10531 |
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 |
This theorem is referenced by: neg1mulneg1e1 11838 addltmul 11861 1exp 13454 expge1 13462 mulexp 13464 mulexpz 13465 expaddz 13469 m1expeven 13472 sqrecii 13542 i4 13563 facp1 13634 hashf1 13811 binom 15177 prodf1 15239 prodfrec 15243 fprodmul 15306 fprodge1 15341 fallfac0 15374 binomfallfac 15387 pwp1fsum 15732 rpmul 15993 2503lem2 16463 2503lem3 16464 4001lem4 16469 abvtrivd 19604 iimulcl 23542 dvexp 24556 dvef 24583 mulcxplem 25275 cxpmul2 25280 dvsqrt 25331 dvcnsqrt 25333 abscxpbnd 25342 1cubr 25428 dchrmulcl 25833 dchr1cl 25835 dchrinvcl 25837 lgslem3 25883 lgsval2lem 25891 lgsneg 25905 lgsdilem 25908 lgsdir 25916 lgsdi 25918 lgsquad2lem1 25968 lgsquad2lem2 25969 dchrisum0flblem2 26093 rpvmasum2 26096 mudivsum 26114 pntibndlem2 26175 axlowdimlem6 26741 hisubcomi 28887 lnophmlem2 29800 1nei 30498 1neg1t1neg1 30499 sgnmul 31910 hgt750lem2 32033 subfacval2 32547 faclim2 33093 knoppndvlem18 33981 lcmineqlem12 39328 3lexlogpow5ineq1 39341 pell1234qrmulcl 39796 pellqrex 39820 imsqrtvalex 40346 binomcxplemnotnn0 41060 dvnprodlem3 42590 stoweidlem13 42655 stoweidlem16 42658 wallispi 42712 wallispi2lem2 42714 2exp340mod341 44251 8exp8mod9 44254 nn0sumshdiglemB 45034 |
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