| 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 12321 | . . 3 ⊢ 4 ∈ ℂ | |
| 2 | 1 | times2i 12374 | . 2 ⊢ (4 · 2) = (4 + 4) |
| 3 | 4p4e8 12390 | . 2 ⊢ (4 + 4) = 8 | |
| 4 | 2, 3 | eqtri 2786 | 1 ⊢ (4 · 2) = 8 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 (class class class)co 7410 + caddc 11098 · cmul 11100 2c2 12290 4c4 12292 8c8 12296 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-mulcl 11157 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-1rid 11165 ax-cnre 11168 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-iota 6492 df-fv 6544 df-ov 7413 df-2 12298 df-3 12299 df-4 12300 df-5 12301 df-6 12302 df-7 12303 df-8 12304 |
| This theorem is referenced by: 2t4e8 12405 8th4div3 12459 4t3e12 12809 sq4e2t8 14231 cu2 14232 sqoddm1div8 14275 cos2bnd 16239 2exp7 17142 2exp8 17143 8nprm 17166 19prm 17173 139prm 17179 1259lem2 17187 1259lem3 17188 1259lem4 17189 1259lem5 17190 2503lem1 17192 2503lem2 17193 4001lem1 17196 4001lem2 17197 4001lem3 17198 4001lem4 17199 quart1lem 27020 quart1 27021 quartlem1 27022 log2tlbnd 27110 log2ub 27114 bpos1 27447 bposlem8 27455 lgsdir2lem2 27490 2lgslem3a 27560 2lgslem3b 27561 2lgslem3c 27562 2lgslem3d 27563 2lgsoddprmlem2 27573 2lgsoddprmlem3c 27576 2lgsoddprmlem3d 27577 chebbnd1lem2 27634 chebbnd1lem3 27635 pntlemr 27766 ex-exp 30801 420gcd8e4 42773 420lcm8e840 42778 lcmineqlem23 42818 3lexlogpow2ineq2 42826 sum9cubes 43404 sin5tlem4 47613 goldratmolem2 47623 fmtno4prmfac 48324 139prmALT 48348 3exp4mod41 48368 41prothprm 48371 8even 48478 2exp340mod341 48498 8exp8mod9 48501 pgnbgreunbgrlem4 48884 |
| Copyright terms: Public domain | W3C validator |