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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 11132 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | mulridi 11184 | 1 ⊢ (1 · 1) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 (class class class)co 7389 1c1 11075 · cmul 11079 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2702 ax-resscn 11131 ax-1cn 11132 ax-icn 11133 ax-addcl 11134 ax-mulcl 11136 ax-mulcom 11138 ax-mulass 11140 ax-distr 11141 ax-1rid 11144 ax-cnre 11147 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2709 df-cleq 2722 df-clel 2804 df-rex 3055 df-rab 3409 df-v 3452 df-dif 3919 df-un 3921 df-ss 3933 df-nul 4299 df-if 4491 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5110 df-iota 6466 df-fv 6521 df-ov 7392 |
| This theorem is referenced by: neg1mulneg1e1 12400 addltmul 12424 1exp 14062 expge1 14070 mulexp 14072 mulexpz 14073 expaddz 14077 m1expeven 14080 sqrecii 14154 i4 14175 facp1 14249 hashf1 14428 binom 15802 prodf1 15863 prodfrec 15867 fprodmul 15932 fprodge1 15967 fallfac0 16000 binomfallfac 16013 pwp1fsum 16367 rpmul 16635 2503lem2 17114 2503lem3 17115 4001lem4 17120 abvtrivd 20747 pzriprng1ALT 21412 iimulcl 24839 dvexp 25863 dvef 25890 mulcxplem 26599 cxpmul2 26604 dvsqrt 26657 dvcnsqrt 26659 abscxpbnd 26669 1cubr 26758 dchrmulcl 27166 dchr1cl 27168 dchrinvcl 27170 lgslem3 27216 lgsval2lem 27224 lgsneg 27238 lgsdilem 27241 lgsdir 27249 lgsdi 27251 lgsquad2lem1 27301 lgsquad2lem2 27302 dchrisum0flblem2 27426 rpvmasum2 27429 mudivsum 27447 pntibndlem2 27508 axlowdimlem6 28880 hisubcomi 31039 lnophmlem2 31952 1nei 32666 1neg1t1neg1 32667 sgnmul 32766 hgt750lem2 34649 subfacval2 35174 faclim2 35730 knoppndvlem18 36512 lcmineqlem12 42023 pell1234qrmulcl 42836 pellqrex 42860 imsqrtvalex 43628 binomcxplemnotnn0 44338 dvnprodlem3 45939 stoweidlem13 46004 stoweidlem16 46007 wallispi 46061 wallispi2lem2 46063 2exp340mod341 47724 8exp8mod9 47727 nn0sumshdiglemB 48599 |
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