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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 9994 | . 2 ⊢ 1 ∈ ℂ | |
2 | 1 | mulid1i 10042 | 1 ⊢ (1 · 1) = 1 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1483 (class class class)co 6650 1c1 9937 · cmul 9941 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-mulcl 9998 ax-mulcom 10000 ax-mulass 10002 ax-distr 10003 ax-1rid 10006 ax-cnre 10009 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-iota 5851 df-fv 5896 df-ov 6653 |
This theorem is referenced by: neg1mulneg1e1 11245 addltmul 11268 1exp 12889 expge1 12897 mulexp 12899 mulexpz 12900 expaddz 12904 m1expeven 12907 sqrecii 12946 i4 12967 facp1 13065 hashf1 13241 binom 14562 prodf1 14623 prodfrec 14627 fprodmul 14690 fprodge1 14726 fallfac0 14759 binomfallfac 14772 pwp1fsum 15114 rpmul 15373 2503lem2 15845 2503lem3 15846 4001lem4 15851 abvtrivd 18840 iimulcl 22736 dvexp 23716 dvef 23743 mulcxplem 24430 cxpmul2 24435 dvsqrt 24483 dvcnsqrt 24485 abscxpbnd 24494 1cubr 24569 dchrmulcl 24974 dchr1cl 24976 dchrinvcl 24978 lgslem3 25024 lgsval2lem 25032 lgsneg 25046 lgsdilem 25049 lgsdir 25057 lgsdi 25059 lgsquad2lem1 25109 lgsquad2lem2 25110 dchrisum0flblem2 25198 rpvmasum2 25201 mudivsum 25219 pntibndlem2 25280 axlowdimlem6 25827 hisubcomi 27961 lnophmlem2 28876 1neg1t1neg1 29514 sgnmul 30604 hgt750lem2 30730 subfacval2 31169 faclim2 31634 knoppndvlem18 32520 pell1234qrmulcl 37419 pellqrex 37443 binomcxplemnotnn0 38555 dvnprodlem3 40163 stoweidlem13 40230 stoweidlem16 40233 wallispi 40287 wallispi2lem2 40289 nn0sumshdiglemB 42414 |
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