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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 2t6m3t4e0 | Structured version Visualization version GIF version | ||
| Description: 2 times 6 minus 3 times 4 equals 0. (Contributed by AV, 24-May-2019.) |
| Ref | Expression |
|---|---|
| 2t6m3t4e0 | ⊢ ((2 · 6) − (3 · 4)) = 0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 6cn 12389 | . . . 4 ⊢ 6 ∈ ℂ | |
| 2 | 1 | 2timesi 12435 | . . 3 ⊢ (2 · 6) = (6 + 6) |
| 3 | 2p2e4 12432 | . . . . . 6 ⊢ (2 + 2) = 4 | |
| 4 | 3 | eqcomi 2769 | . . . . 5 ⊢ 4 = (2 + 2) |
| 5 | 4 | oveq2i 7420 | . . . 4 ⊢ (3 · 4) = (3 · (2 + 2)) |
| 6 | 3cn 12379 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 7 | 2cn 12373 | . . . . 5 ⊢ 2 ∈ ℂ | |
| 8 | 6, 7, 7 | adddii 11278 | . . . 4 ⊢ (3 · (2 + 2)) = ((3 · 2) + (3 · 2)) |
| 9 | 3t2e6 12463 | . . . . 5 ⊢ (3 · 2) = 6 | |
| 10 | 9, 9 | oveq12i 7421 | . . . 4 ⊢ ((3 · 2) + (3 · 2)) = (6 + 6) |
| 11 | 5, 8, 10 | 3eqtri 2787 | . . 3 ⊢ (3 · 4) = (6 + 6) |
| 12 | 2, 11 | oveq12i 7421 | . 2 ⊢ ((2 · 6) − (3 · 4)) = ((6 + 6) − (6 + 6)) |
| 13 | 1, 1 | addcli 11272 | . . 3 ⊢ (6 + 6) ∈ ℂ |
| 14 | 13 | subidi 11586 | . 2 ⊢ ((6 + 6) − (6 + 6)) = 0 |
| 15 | 12, 14 | eqtri 2783 | 1 ⊢ ((2 · 6) − (3 · 4)) = 0 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7409 0cc0 11157 + caddc 11160 · cmul 11162 − cmin 11498 2c2 12352 3c3 12353 4c4 12354 6c6 12356 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7735 ax-resscn 11214 ax-1cn 11215 ax-icn 11216 ax-addcl 11217 ax-addrcl 11218 ax-mulcl 11219 ax-mulrcl 11220 ax-mulcom 11221 ax-addass 11222 ax-mulass 11223 ax-distr 11224 ax-i2m1 11225 ax-1ne0 11226 ax-1rid 11227 ax-rnegex 11228 ax-rrecex 11229 ax-cnre 11230 ax-pre-lttri 11231 ax-pre-lttrn 11232 ax-pre-ltadd 11233 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5543 df-po 5556 df-so 5557 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-iota 6484 df-fun 6530 df-fn 6531 df-f 6532 df-f1 6533 df-fo 6534 df-f1o 6535 df-fv 6536 df-riota 7366 df-ov 7412 df-oprab 7413 df-mpo 7414 df-er 8696 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11302 df-mnf 11303 df-ltxr 11305 df-sub 11500 df-2 12360 df-3 12361 df-4 12362 df-5 12363 df-6 12364 |
| This theorem is used by: zlmodzxzequa 49524 zlmodzxzequap 49527 |
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