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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 9873 | . 2 ⊢ 1 ∈ ℂ | |
2 | 1 | mulid1i 9921 | 1 ⊢ (1 · 1) = 1 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1475 (class class class)co 6549 1c1 9816 · cmul 9820 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-mulcl 9877 ax-mulcom 9879 ax-mulass 9881 ax-distr 9882 ax-1rid 9885 ax-cnre 9888 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-iota 5768 df-fv 5812 df-ov 6552 |
This theorem is referenced by: neg1mulneg1e1 11122 addltmul 11145 1exp 12751 expge1 12759 mulexp 12761 mulexpz 12762 expaddz 12766 m1expeven 12769 sqrecii 12808 i4 12829 facp1 12927 hashf1 13098 binom 14401 prodf1 14462 prodfrec 14466 fprodmul 14529 fprodge1 14565 fallfac0 14598 binomfallfac 14611 pwp1fsum 14952 rpmul 15211 2503lem2 15683 2503lem3 15684 4001lem4 15689 abvtrivd 18663 iimulcl 22544 dvexp 23522 dvef 23547 mulcxplem 24230 cxpmul2 24235 dvsqrt 24283 dvcnsqrt 24285 abscxpbnd 24294 1cubr 24369 dchrmulcl 24774 dchr1cl 24776 dchrinvcl 24778 lgslem3 24824 lgsval2lem 24832 lgsneg 24846 lgsdilem 24849 lgsdir 24857 lgsdi 24859 lgsquad2lem1 24909 lgsquad2lem2 24910 dchrisum0flblem2 24998 rpvmasum2 25001 mudivsum 25019 pntibndlem2 25080 axlowdimlem6 25627 hisubcomi 27345 lnophmlem2 28260 1neg1t1neg1 28902 sgnmul 29931 subfacval2 30423 faclim2 30887 knoppndvlem18 31690 pell1234qrmulcl 36437 pellqrex 36461 binomcxplemnotnn0 37577 dvnprodlem3 38838 stoweidlem13 38906 stoweidlem16 38909 wallispi 38963 wallispi2lem2 38965 nn0sumshdiglemB 42212 |
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