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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 12317 | . 2 ⊢ 4 ∈ ℂ | |
| 2 | 2cn 12307 | . 2 ⊢ 2 ∈ ℂ | |
| 3 | 4t2e8 12400 | . 2 ⊢ (4 · 2) = 8 | |
| 4 | 1, 2, 3 | mulcomli 11206 | 1 ⊢ (2 · 4) = 8 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1563 (class class class)co 7400 · cmul 11093 2c2 12286 4c4 12288 8c8 12292 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-mulcl 11150 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-1rid 11158 ax-cnre 11161 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-ss 3924 df-nul 4289 df-if 4484 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-br 5106 df-iota 6481 df-fv 6533 df-ov 7403 df-2 12294 df-3 12295 df-4 12296 df-5 12297 df-6 12298 df-7 12299 df-8 12300 |
| This theorem is referenced by: mod42tp1mod8 48209 |
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