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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 11088 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | mulridi 11141 | 1 ⊢ (1 · 1) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 (class class class)co 7357 1c1 11031 · cmul 11035 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 ax-resscn 11087 ax-1cn 11088 ax-icn 11089 ax-addcl 11090 ax-mulcl 11092 ax-mulcom 11094 ax-mulass 11096 ax-distr 11097 ax-1rid 11100 ax-cnre 11103 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-ss 3900 df-nul 4263 df-if 4456 df-sn 4557 df-pr 4559 df-op 4563 df-uni 4840 df-br 5074 df-iota 6442 df-fv 6494 df-ov 7360 |
| This theorem is referenced by: neg1mulneg1e1 12381 addltmul 12405 1exp 14045 expge1 14053 mulexp 14055 mulexpz 14056 expaddz 14060 m1expeven 14063 sqrecii 14137 i4 14158 facp1 14232 hashf1 14411 binom 15787 prodf1 15848 prodfrec 15852 fprodmul 15917 fprodge1 15952 fallfac0 15985 binomfallfac 15998 pwp1fsum 16352 rpmul 16620 2503lem2 17100 2503lem3 17101 4001lem4 17106 abvtrivd 20805 pzriprng1ALT 21472 iimulcl 24923 dvexp 25939 dvef 25966 mulcxplem 26667 cxpmul2 26672 dvsqrt 26725 dvcnsqrt 26727 abscxpbnd 26736 1cubr 26825 dchrmulcl 27231 dchr1cl 27233 dchrinvcl 27235 lgslem3 27281 lgsval2lem 27289 lgsneg 27303 lgsdilem 27306 lgsdir 27314 lgsdi 27316 lgsquad2lem1 27366 lgsquad2lem2 27367 dchrisum0flblem2 27491 rpvmasum2 27494 mudivsum 27512 pntibndlem2 27573 axlowdimlem6 29035 hisubcomi 31194 lnophmlem2 32107 1nei 32830 1neg1t1neg1 32831 sgnmul 32928 hgt750lem2 34845 subfacval2 35424 faclim2 35985 knoppndvlem18 36844 lcmineqlem12 42534 pell1234qrmulcl 43309 pellqrex 43333 imsqrtvalex 44099 binomcxplemnotnn0 44809 dvnprodlem3 46399 stoweidlem13 46464 stoweidlem16 46467 wallispi 46521 wallispi2lem2 46523 2exp340mod341 48232 8exp8mod9 48235 nn0sumshdiglemB 49119 |
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