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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 11133 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | mulridi 11188 | 1 ⊢ (1 · 1) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1562 (class class class)co 7398 1c1 11076 · cmul 11080 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-mulcl 11137 ax-mulcom 11139 ax-mulass 11141 ax-distr 11142 ax-1rid 11145 ax-cnre 11148 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-rex 3089 df-rab 3417 df-v 3458 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4288 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5103 df-iota 6479 df-fv 6531 df-ov 7401 |
| This theorem is referenced by: neg1mulneg1e1 12435 addltmul 12459 1exp 14106 expge1 14114 mulexp 14116 mulexpz 14117 expaddz 14121 m1expeven 14124 sqrecii 14198 i4 14219 facp1 14293 hashf1 14472 sgnmul 15122 binom 15862 prodf1 15923 prodfrec 15927 fprodmul 15992 fprodge1 16027 fallfac0 16060 binomfallfac 16073 pwp1fsum 16427 rpmul 16695 2503lem2 17176 2503lem3 17177 4001lem4 17182 abvtrivd 20883 pzriprng1ALT 21550 iimulcl 25001 dvexp 26017 dvef 26044 mulcxplem 26751 cxpmul2 26756 dvsqrt 26809 dvcnsqrt 26811 abscxpbnd 26820 1cubr 26909 dchrmulcl 27315 dchr1cl 27317 dchrinvcl 27319 lgslem3 27365 lgsval2lem 27373 lgsneg 27387 lgsdilem 27390 lgsdir 27398 lgsdi 27400 lgsquad2lem1 27450 lgsquad2lem2 27451 dchrisum0flblem2 27575 rpvmasum2 27578 mudivsum 27596 pntibndlem2 27657 axlowdimlem6 29150 hisubcomi 31309 lnophmlem2 32222 1nei 32941 1neg1t1neg1 32942 hgt750lem2 34948 subfacval2 35542 faclim2 36103 knoppndvlem18 36972 lcmineqlem12 42662 pell1234qrmulcl 43437 pellqrex 43461 imsqrtvalex 44227 binomcxplemnotnn0 44937 dvnprodlem3 46527 stoweidlem13 46592 stoweidlem16 46595 wallispi 46649 wallispi2lem2 46651 2exp340mod341 48360 8exp8mod9 48363 nn0sumshdiglemB 49247 |
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