| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 12242 | . . 3 ⊢ 4 ∈ ℂ | |
| 2 | 1 | times2i 12291 | . 2 ⊢ (4 · 2) = (4 + 4) |
| 3 | 4p4e8 12307 | . 2 ⊢ (4 + 4) = 8 | |
| 4 | 2, 3 | eqtri 2760 | 1 ⊢ (4 · 2) = 8 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7368 + caddc 11041 · cmul 11043 2c2 12212 4c4 12214 8c8 12218 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-mulcl 11100 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-1rid 11108 ax-cnre 11111 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6456 df-fv 6508 df-ov 7371 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-6 12224 df-7 12225 df-8 12226 |
| This theorem is referenced by: 8th4div3 12373 4t3e12 12717 sq4e2t8 14134 cu2 14135 sqoddm1div8 14178 cos2bnd 16125 2exp7 17027 2exp8 17028 8nprm 17051 19prm 17057 139prm 17063 1259lem2 17071 1259lem3 17072 1259lem4 17073 1259lem5 17074 2503lem1 17076 2503lem2 17077 4001lem1 17080 4001lem2 17081 4001lem3 17082 4001lem4 17083 quart1lem 26833 quart1 26834 quartlem1 26835 log2tlbnd 26923 log2ub 26927 bpos1 27262 bposlem8 27270 lgsdir2lem2 27305 2lgslem3a 27375 2lgslem3b 27376 2lgslem3c 27377 2lgslem3d 27378 2lgsoddprmlem2 27388 2lgsoddprmlem3c 27391 2lgsoddprmlem3d 27392 chebbnd1lem2 27449 chebbnd1lem3 27450 pntlemr 27581 ex-exp 30537 420gcd8e4 42376 420lcm8e840 42381 lcmineqlem23 42421 3lexlogpow2ineq2 42429 sum9cubes 43030 fmtno4prmfac 47932 139prmALT 47956 mod42tp1mod8 47962 3exp4mod41 47976 41prothprm 47979 8even 48073 2exp340mod341 48093 8exp8mod9 48096 pgnbgreunbgrlem4 48479 |
| Copyright terms: Public domain | W3C validator |