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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 12336 | . . . 4 ⊢ 6 ∈ ℂ | |
| 2 | 1 | 2timesi 12382 | . . 3 ⊢ (2 · 6) = (6 + 6) |
| 3 | 2p2e4 12379 | . . . . . 6 ⊢ (2 + 2) = 4 | |
| 4 | 3 | eqcomi 2772 | . . . . 5 ⊢ 4 = (2 + 2) |
| 5 | 4 | oveq2i 7421 | . . . 4 ⊢ (3 · 4) = (3 · (2 + 2)) |
| 6 | 3cn 12326 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 7 | 2cn 12320 | . . . . 5 ⊢ 2 ∈ ℂ | |
| 8 | 6, 7, 7 | adddii 11225 | . . . 4 ⊢ (3 · (2 + 2)) = ((3 · 2) + (3 · 2)) |
| 9 | 3t2e6 12410 | . . . . 5 ⊢ (3 · 2) = 6 | |
| 10 | 9, 9 | oveq12i 7422 | . . . 4 ⊢ ((3 · 2) + (3 · 2)) = (6 + 6) |
| 11 | 5, 8, 10 | 3eqtri 2790 | . . 3 ⊢ (3 · 4) = (6 + 6) |
| 12 | 2, 11 | oveq12i 7422 | . 2 ⊢ ((2 · 6) − (3 · 4)) = ((6 + 6) − (6 + 6)) |
| 13 | 1, 1 | addcli 11219 | . . 3 ⊢ (6 + 6) ∈ ℂ |
| 14 | 13 | subidi 11533 | . 2 ⊢ ((6 + 6) − (6 + 6)) = 0 |
| 15 | 12, 14 | eqtri 2786 | 1 ⊢ ((2 · 6) − (3 · 4)) = 0 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7410 0cc0 11104 + caddc 11107 · cmul 11109 − cmin 11445 2c2 12299 3c3 12300 4c4 12301 6c6 12303 |
| This proof depends on 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-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-resscn 11161 ax-1cn 11162 ax-icn 11163 ax-addcl 11164 ax-addrcl 11165 ax-mulcl 11166 ax-mulrcl 11167 ax-mulcom 11168 ax-addass 11169 ax-mulass 11170 ax-distr 11171 ax-i2m1 11172 ax-1ne0 11173 ax-1rid 11174 ax-rnegex 11175 ax-rrecex 11176 ax-cnre 11177 ax-pre-lttri 11178 ax-pre-lttrn 11179 ax-pre-ltadd 11180 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-po 5569 df-so 5570 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11249 df-mnf 11250 df-ltxr 11252 df-sub 11447 df-2 12307 df-3 12308 df-4 12309 df-5 12310 df-6 12311 |
| This theorem is used by: zlmodzxzequa 49304 zlmodzxzequap 49307 |
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