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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 10595 | . 2 ⊢ 1 ∈ ℂ | |
2 | 1 | mulid1i 10645 | 1 ⊢ (1 · 1) = 1 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 (class class class)co 7156 1c1 10538 · cmul 10542 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-mulcl 10599 ax-mulcom 10601 ax-mulass 10603 ax-distr 10604 ax-1rid 10607 ax-cnre 10610 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-iota 6314 df-fv 6363 df-ov 7159 |
This theorem is referenced by: neg1mulneg1e1 11851 addltmul 11874 1exp 13459 expge1 13467 mulexp 13469 mulexpz 13470 expaddz 13474 m1expeven 13477 sqrecii 13547 i4 13568 facp1 13639 hashf1 13816 binom 15185 prodf1 15247 prodfrec 15251 fprodmul 15314 fprodge1 15349 fallfac0 15382 binomfallfac 15395 pwp1fsum 15742 rpmul 16003 2503lem2 16471 2503lem3 16472 4001lem4 16477 abvtrivd 19611 iimulcl 23541 dvexp 24550 dvef 24577 mulcxplem 25267 cxpmul2 25272 dvsqrt 25323 dvcnsqrt 25325 abscxpbnd 25334 1cubr 25420 dchrmulcl 25825 dchr1cl 25827 dchrinvcl 25829 lgslem3 25875 lgsval2lem 25883 lgsneg 25897 lgsdilem 25900 lgsdir 25908 lgsdi 25910 lgsquad2lem1 25960 lgsquad2lem2 25961 dchrisum0flblem2 26085 rpvmasum2 26088 mudivsum 26106 pntibndlem2 26167 axlowdimlem6 26733 hisubcomi 28881 lnophmlem2 29794 1nei 30472 1neg1t1neg1 30473 sgnmul 31800 hgt750lem2 31923 subfacval2 32434 faclim2 32980 knoppndvlem18 33868 pell1234qrmulcl 39472 pellqrex 39496 binomcxplemnotnn0 40708 dvnprodlem3 42253 stoweidlem13 42318 stoweidlem16 42321 wallispi 42375 wallispi2lem2 42377 2exp340mod341 43918 8exp8mod9 43921 nn0sumshdiglemB 44700 |
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