| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 2t4e8 | Structured version Visualization version GIF version | ||
| Description: 2 times 4 equals 8. (Contributed by Umit Teoman Dogan, 10-Jun-2026.) |
| Ref | Expression |
|---|---|
| 2t4e8 | ⊢ (2 · 4) = 8 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 4cn 12455 | . 2 ⊢ 4 ∈ ℂ | |
| 2 | 2cn 12445 | . 2 ⊢ 2 ∈ ℂ | |
| 3 | 4t2e8 12538 | . 2 ⊢ (4 · 2) = 8 | |
| 4 | 1, 2, 3 | mulcomli 11345 | 1 ⊢ (2 · 4) = 8 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7443 · cmul 11232 2c2 12424 4c4 12426 8c8 12430 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-mulcl 11289 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-1rid 11297 ax-cnre 11300 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-iota 6512 df-fv 6566 df-ov 7446 df-2 12432 df-3 12433 df-4 12434 df-5 12435 df-6 12436 df-7 12437 df-8 12438 |
| This theorem is used by: sq4e2t8 14369 cos2bnd 16385 2exp8 17295 1259lem5 17342 2503lem2 17345 4001lem1 17348 4001lem3 17350 4001lem4 17351 quart1lem 27213 quart1 27214 quartlem1 27215 log2ub 27307 bposlem8 27648 2lgslem3a 27753 2lgsoddprmlem3d 27770 ex-exp 31081 420lcm8e840 43253 lcmineqlem23 43293 3lexlogpow2ineq2 43301 sin5tlem1 48124 fmtno4prmfac 48862 mod42tp1mod8 48892 3exp4mod41 48906 2exp340mod341 49036 8exp8mod9 49039 |
| Copyright terms: Public domain | W3C validator |