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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 11158 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | mulridi 11213 | 1 ⊢ (1 · 1) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 (class class class)co 7411 1c1 11101 · cmul 11105 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-mulcl 11162 ax-mulcom 11164 ax-mulass 11166 ax-distr 11167 ax-1rid 11170 ax-cnre 11173 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-iota 6493 df-fv 6545 df-ov 7414 |
| This theorem is referenced by: neg1mulneg1e1 12456 addltmul 12480 1exp 14127 expge1 14135 mulexp 14137 mulexpz 14138 expaddz 14142 m1expeven 14145 sqrecii 14219 i4 14240 facp1 14314 hashf1 14494 sgnmul 15144 binom 15884 prodf1 15945 prodfrec 15949 fprodmul 16014 fprodge1 16049 fallfac0 16082 binomfallfac 16095 pwp1fsum 16449 rpmul 16717 2503lem2 17198 2503lem3 17199 4001lem4 17204 abvtrivd 20913 pzriprng1ALT 21615 iimulcl 25065 dvexp 26081 dvef 26108 mulcxplem 26815 cxpmul2 26820 dvsqrt 26873 dvcnsqrt 26875 abscxpbnd 26884 1cubr 26973 dchrmulcl 27379 dchr1cl 27381 dchrinvcl 27383 lgslem3 27429 lgsval2lem 27437 lgsneg 27451 lgsdilem 27454 lgsdir 27462 lgsdi 27464 lgsquad2lem1 27514 lgsquad2lem2 27515 dchrisum0flblem2 27639 rpvmasum2 27642 mudivsum 27660 pntibndlem2 27721 axlowdimlem6 29238 hisubcomi 31397 lnophmlem2 32310 1nei 33023 1neg1t1neg1 33024 hgt750lem2 34984 subfacval2 35612 faclim2 36173 knoppndvlem18 37041 lcmineqlem12 42731 pell1234qrmulcl 43508 pellqrex 43532 imsqrtvalex 44298 binomcxplemnotnn0 44992 dvnprodlem3 46588 stoweidlem13 46653 stoweidlem16 46656 wallispi 46710 wallispi2lem2 46712 2exp340mod341 48421 8exp8mod9 48424 nn0sumshdiglemB 49319 |
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