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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 11140 | 1 ⊢ (1 · 1) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7360 1c1 11031 · cmul 11035 |
| 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 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 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 3062 df-rab 3401 df-v 3443 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-iota 6449 df-fv 6501 df-ov 7363 |
| This theorem is referenced by: neg1mulneg1e1 12357 addltmul 12381 1exp 14018 expge1 14026 mulexp 14028 mulexpz 14029 expaddz 14033 m1expeven 14036 sqrecii 14110 i4 14131 facp1 14205 hashf1 14384 binom 15757 prodf1 15818 prodfrec 15822 fprodmul 15887 fprodge1 15922 fallfac0 15955 binomfallfac 15968 pwp1fsum 16322 rpmul 16590 2503lem2 17069 2503lem3 17070 4001lem4 17075 abvtrivd 20769 pzriprng1ALT 21455 iimulcl 24893 dvexp 25917 dvef 25944 mulcxplem 26653 cxpmul2 26658 dvsqrt 26711 dvcnsqrt 26713 abscxpbnd 26723 1cubr 26812 dchrmulcl 27220 dchr1cl 27222 dchrinvcl 27224 lgslem3 27270 lgsval2lem 27278 lgsneg 27292 lgsdilem 27295 lgsdir 27303 lgsdi 27305 lgsquad2lem1 27355 lgsquad2lem2 27356 dchrisum0flblem2 27480 rpvmasum2 27483 mudivsum 27501 pntibndlem2 27562 axlowdimlem6 29024 hisubcomi 31183 lnophmlem2 32096 1nei 32818 1neg1t1neg1 32819 sgnmul 32918 hgt750lem2 34811 subfacval2 35383 faclim2 35944 knoppndvlem18 36731 lcmineqlem12 42362 pell1234qrmulcl 43164 pellqrex 43188 imsqrtvalex 43954 binomcxplemnotnn0 44664 dvnprodlem3 46259 stoweidlem13 46324 stoweidlem16 46327 wallispi 46381 wallispi2lem2 46383 2exp340mod341 48046 8exp8mod9 48049 nn0sumshdiglemB 48933 |
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