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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 11091 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | mulridi 11144 | 1 ⊢ (1 · 1) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7362 1c1 11034 · cmul 11038 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-mulcl 11095 ax-mulcom 11097 ax-mulass 11099 ax-distr 11100 ax-1rid 11103 ax-cnre 11106 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6450 df-fv 6502 df-ov 7365 |
| This theorem is referenced by: neg1mulneg1e1 12384 addltmul 12408 1exp 14048 expge1 14056 mulexp 14058 mulexpz 14059 expaddz 14063 m1expeven 14066 sqrecii 14140 i4 14161 facp1 14235 hashf1 14414 binom 15790 prodf1 15851 prodfrec 15855 fprodmul 15920 fprodge1 15955 fallfac0 15988 binomfallfac 16001 pwp1fsum 16355 rpmul 16623 2503lem2 17103 2503lem3 17104 4001lem4 17109 abvtrivd 20804 pzriprng1ALT 21490 iimulcl 24918 dvexp 25934 dvef 25961 mulcxplem 26665 cxpmul2 26670 dvsqrt 26723 dvcnsqrt 26725 abscxpbnd 26734 1cubr 26823 dchrmulcl 27230 dchr1cl 27232 dchrinvcl 27234 lgslem3 27280 lgsval2lem 27288 lgsneg 27302 lgsdilem 27305 lgsdir 27313 lgsdi 27315 lgsquad2lem1 27365 lgsquad2lem2 27366 dchrisum0flblem2 27490 rpvmasum2 27493 mudivsum 27511 pntibndlem2 27572 axlowdimlem6 29034 hisubcomi 31194 lnophmlem2 32107 1nei 32829 1neg1t1neg1 32830 sgnmul 32927 hgt750lem2 34816 subfacval2 35389 faclim2 35950 knoppndvlem18 36809 lcmineqlem12 42497 pell1234qrmulcl 43305 pellqrex 43329 imsqrtvalex 44095 binomcxplemnotnn0 44805 dvnprodlem3 46398 stoweidlem13 46463 stoweidlem16 46466 wallispi 46520 wallispi2lem2 46522 2exp340mod341 48225 8exp8mod9 48228 nn0sumshdiglemB 49112 |
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