| 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 12230 | . . 3 ⊢ 4 ∈ ℂ | |
| 2 | 1 | times2i 12279 | . 2 ⊢ (4 · 2) = (4 + 4) |
| 3 | 4p4e8 12295 | . 2 ⊢ (4 + 4) = 8 | |
| 4 | 2, 3 | eqtri 2759 | 1 ⊢ (4 · 2) = 8 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7358 + caddc 11029 · cmul 11031 2c2 12200 4c4 12202 8c8 12206 |
| 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 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-mulcl 11088 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-1rid 11096 ax-cnre 11099 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-iota 6448 df-fv 6500 df-ov 7361 df-2 12208 df-3 12209 df-4 12210 df-5 12211 df-6 12212 df-7 12213 df-8 12214 |
| This theorem is referenced by: 8th4div3 12361 4t3e12 12705 sq4e2t8 14122 cu2 14123 sqoddm1div8 14166 cos2bnd 16113 2exp7 17015 2exp8 17016 8nprm 17039 19prm 17045 139prm 17051 1259lem2 17059 1259lem3 17060 1259lem4 17061 1259lem5 17062 2503lem1 17064 2503lem2 17065 4001lem1 17068 4001lem2 17069 4001lem3 17070 4001lem4 17071 quart1lem 26821 quart1 26822 quartlem1 26823 log2tlbnd 26911 log2ub 26915 bpos1 27250 bposlem8 27258 lgsdir2lem2 27293 2lgslem3a 27363 2lgslem3b 27364 2lgslem3c 27365 2lgslem3d 27366 2lgsoddprmlem2 27376 2lgsoddprmlem3c 27379 2lgsoddprmlem3d 27380 chebbnd1lem2 27437 chebbnd1lem3 27438 pntlemr 27569 ex-exp 30525 420gcd8e4 42260 420lcm8e840 42265 lcmineqlem23 42305 3lexlogpow2ineq2 42313 sum9cubes 42915 fmtno4prmfac 47818 139prmALT 47842 mod42tp1mod8 47848 3exp4mod41 47862 41prothprm 47865 8even 47959 2exp340mod341 47979 8exp8mod9 47982 pgnbgreunbgrlem4 48365 |
| Copyright terms: Public domain | W3C validator |