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| 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 12325 | . 2 ⊢ 4 ∈ ℂ | |
| 2 | 2cn 12315 | . 2 ⊢ 2 ∈ ℂ | |
| 3 | 4t2e8 12408 | . 2 ⊢ (4 · 2) = 8 | |
| 4 | 1, 2, 3 | mulcomli 11217 | 1 ⊢ (2 · 4) = 8 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1568 (class class class)co 7410 · cmul 11104 2c2 12294 4c4 12296 8c8 12300 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-ext 2733 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-mulcl 11161 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-1rid 11169 ax-cnre 11172 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-sb 2095 df-clab 2740 df-cleq 2753 df-clel 2836 df-rex 3088 df-rab 3415 df-v 3455 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-iota 6492 df-fv 6544 df-ov 7413 df-2 12302 df-3 12303 df-4 12304 df-5 12305 df-6 12306 df-7 12307 df-8 12308 |
| This theorem is referenced by: mod42tp1mod8 48321 |
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