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Mirrors > Home > MPE Home > Th. List > 4t2e8 | Structured version Visualization version GIF version |
Description: 4 times 2 equals 8. (Contributed by NM, 2-Aug-2004.) |
Ref | Expression |
---|---|
4t2e8 | ⊢ (4 · 2) = 8 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 4cn 12058 | . . 3 ⊢ 4 ∈ ℂ | |
2 | 1 | times2i 12112 | . 2 ⊢ (4 · 2) = (4 + 4) |
3 | 4p4e8 12128 | . 2 ⊢ (4 + 4) = 8 | |
4 | 2, 3 | eqtri 2766 | 1 ⊢ (4 · 2) = 8 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1539 (class class class)co 7275 + caddc 10874 · cmul 10876 2c2 12028 4c4 12030 8c8 12034 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2709 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-mulcl 10933 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-1rid 10941 ax-cnre 10944 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-sb 2068 df-clab 2716 df-cleq 2730 df-clel 2816 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-iota 6391 df-fv 6441 df-ov 7278 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 |
This theorem is referenced by: 8th4div3 12193 4t3e12 12535 sq4e2t8 13916 cu2 13917 sqoddm1div8 13958 cos2bnd 15897 2exp7 16789 2exp8 16790 8nprm 16813 19prm 16819 139prm 16825 1259lem2 16833 1259lem3 16834 1259lem4 16835 1259lem5 16836 2503lem1 16838 2503lem2 16839 4001lem1 16842 4001lem2 16843 4001lem3 16844 4001lem4 16845 quart1lem 26005 quart1 26006 quartlem1 26007 log2tlbnd 26095 log2ub 26099 bpos1 26431 bposlem8 26439 lgsdir2lem2 26474 2lgslem3a 26544 2lgslem3b 26545 2lgslem3c 26546 2lgslem3d 26547 2lgsoddprmlem2 26557 2lgsoddprmlem3c 26560 2lgsoddprmlem3d 26561 chebbnd1lem2 26618 chebbnd1lem3 26619 pntlemr 26750 ex-exp 28814 420gcd8e4 40014 420lcm8e840 40019 lcmineqlem23 40059 3lexlogpow2ineq2 40067 fmtno4prmfac 45024 139prmALT 45048 mod42tp1mod8 45054 3exp4mod41 45068 41prothprm 45071 8even 45165 2exp340mod341 45185 8exp8mod9 45188 |
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