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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 11096 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | mulridi 11149 | 1 ⊢ (1 · 1) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7367 1c1 11039 · cmul 11043 |
| 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 2708 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-mulcl 11100 ax-mulcom 11102 ax-mulass 11104 ax-distr 11105 ax-1rid 11108 ax-cnre 11111 |
| 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 2715 df-cleq 2728 df-clel 2811 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-iota 6454 df-fv 6506 df-ov 7370 |
| This theorem is referenced by: neg1mulneg1e1 12389 addltmul 12413 1exp 14053 expge1 14061 mulexp 14063 mulexpz 14064 expaddz 14068 m1expeven 14071 sqrecii 14145 i4 14166 facp1 14240 hashf1 14419 binom 15795 prodf1 15856 prodfrec 15860 fprodmul 15925 fprodge1 15960 fallfac0 15993 binomfallfac 16006 pwp1fsum 16360 rpmul 16628 2503lem2 17108 2503lem3 17109 4001lem4 17114 abvtrivd 20809 pzriprng1ALT 21476 iimulcl 24904 dvexp 25920 dvef 25947 mulcxplem 26648 cxpmul2 26653 dvsqrt 26706 dvcnsqrt 26708 abscxpbnd 26717 1cubr 26806 dchrmulcl 27212 dchr1cl 27214 dchrinvcl 27216 lgslem3 27262 lgsval2lem 27270 lgsneg 27284 lgsdilem 27287 lgsdir 27295 lgsdi 27297 lgsquad2lem1 27347 lgsquad2lem2 27348 dchrisum0flblem2 27472 rpvmasum2 27475 mudivsum 27493 pntibndlem2 27554 axlowdimlem6 29016 hisubcomi 31175 lnophmlem2 32088 1nei 32810 1neg1t1neg1 32811 sgnmul 32908 hgt750lem2 34796 subfacval2 35369 faclim2 35930 knoppndvlem18 36789 lcmineqlem12 42479 pell1234qrmulcl 43283 pellqrex 43307 imsqrtvalex 44073 binomcxplemnotnn0 44783 dvnprodlem3 46376 stoweidlem13 46441 stoweidlem16 46444 wallispi 46498 wallispi2lem2 46500 2exp340mod341 48209 8exp8mod9 48212 nn0sumshdiglemB 49096 |
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