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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 11098 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | mulridi 11150 | 1 ⊢ (1 · 1) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7370 1c1 11041 · cmul 11045 |
| 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 11097 ax-1cn 11098 ax-icn 11099 ax-addcl 11100 ax-mulcl 11102 ax-mulcom 11104 ax-mulass 11106 ax-distr 11107 ax-1rid 11110 ax-cnre 11113 |
| 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 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6458 df-fv 6510 df-ov 7373 |
| This theorem is referenced by: neg1mulneg1e1 12367 addltmul 12391 1exp 14028 expge1 14036 mulexp 14038 mulexpz 14039 expaddz 14043 m1expeven 14046 sqrecii 14120 i4 14141 facp1 14215 hashf1 14394 binom 15767 prodf1 15828 prodfrec 15832 fprodmul 15897 fprodge1 15932 fallfac0 15965 binomfallfac 15978 pwp1fsum 16332 rpmul 16600 2503lem2 17079 2503lem3 17080 4001lem4 17085 abvtrivd 20782 pzriprng1ALT 21468 iimulcl 24906 dvexp 25930 dvef 25957 mulcxplem 26666 cxpmul2 26671 dvsqrt 26724 dvcnsqrt 26726 abscxpbnd 26736 1cubr 26825 dchrmulcl 27233 dchr1cl 27235 dchrinvcl 27237 lgslem3 27283 lgsval2lem 27291 lgsneg 27305 lgsdilem 27308 lgsdir 27316 lgsdi 27318 lgsquad2lem1 27368 lgsquad2lem2 27369 dchrisum0flblem2 27493 rpvmasum2 27496 mudivsum 27514 pntibndlem2 27575 axlowdimlem6 29038 hisubcomi 31198 lnophmlem2 32111 1nei 32833 1neg1t1neg1 32834 sgnmul 32933 hgt750lem2 34836 subfacval2 35409 faclim2 35970 knoppndvlem18 36757 lcmineqlem12 42439 pell1234qrmulcl 43241 pellqrex 43265 imsqrtvalex 44031 binomcxplemnotnn0 44741 dvnprodlem3 46335 stoweidlem13 46400 stoweidlem16 46403 wallispi 46457 wallispi2lem2 46459 2exp340mod341 48122 8exp8mod9 48125 nn0sumshdiglemB 49009 |
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