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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 11082 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | mulridi 11134 | 1 ⊢ (1 · 1) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7356 1c1 11025 · cmul 11029 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2706 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-mulcl 11086 ax-mulcom 11088 ax-mulass 11090 ax-distr 11091 ax-1rid 11094 ax-cnre 11097 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2713 df-cleq 2726 df-clel 2809 df-rex 3059 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4284 df-if 4478 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-iota 6446 df-fv 6498 df-ov 7359 |
| This theorem is referenced by: neg1mulneg1e1 12351 addltmul 12375 1exp 14012 expge1 14020 mulexp 14022 mulexpz 14023 expaddz 14027 m1expeven 14030 sqrecii 14104 i4 14125 facp1 14199 hashf1 14378 binom 15751 prodf1 15812 prodfrec 15816 fprodmul 15881 fprodge1 15916 fallfac0 15949 binomfallfac 15962 pwp1fsum 16316 rpmul 16584 2503lem2 17063 2503lem3 17064 4001lem4 17069 abvtrivd 20763 pzriprng1ALT 21449 iimulcl 24887 dvexp 25911 dvef 25938 mulcxplem 26647 cxpmul2 26652 dvsqrt 26705 dvcnsqrt 26707 abscxpbnd 26717 1cubr 26806 dchrmulcl 27214 dchr1cl 27216 dchrinvcl 27218 lgslem3 27264 lgsval2lem 27272 lgsneg 27286 lgsdilem 27289 lgsdir 27297 lgsdi 27299 lgsquad2lem1 27349 lgsquad2lem2 27350 dchrisum0flblem2 27474 rpvmasum2 27477 mudivsum 27495 pntibndlem2 27556 axlowdimlem6 28969 hisubcomi 31128 lnophmlem2 32041 1nei 32765 1neg1t1neg1 32766 sgnmul 32865 hgt750lem2 34758 subfacval2 35330 faclim2 35891 knoppndvlem18 36672 lcmineqlem12 42233 pell1234qrmulcl 43039 pellqrex 43063 imsqrtvalex 43829 binomcxplemnotnn0 44539 dvnprodlem3 46134 stoweidlem13 46199 stoweidlem16 46202 wallispi 46256 wallispi2lem2 46258 2exp340mod341 47921 8exp8mod9 47924 nn0sumshdiglemB 48808 |
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