| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 8t4e32 | Structured version Visualization version GIF version | ||
| Description: 8 times 4 equals 32. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 8t4e32 | ⊢ (8 · 4) = ;32 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 8nn0 12460 | . 2 ⊢ 8 ∈ ℕ0 | |
| 2 | 3nn0 12455 | . 2 ⊢ 3 ∈ ℕ0 | |
| 3 | df-4 12246 | . 2 ⊢ 4 = (3 + 1) | |
| 4 | 8t3e24 12760 | . 2 ⊢ (8 · 3) = ;24 | |
| 5 | 2nn0 12454 | . . 3 ⊢ 2 ∈ ℕ0 | |
| 6 | 4nn0 12456 | . . 3 ⊢ 4 ∈ ℕ0 | |
| 7 | eqid 2737 | . . 3 ⊢ ;24 = ;24 | |
| 8 | 2p1e3 12318 | . . 3 ⊢ (2 + 1) = 3 | |
| 9 | 1 | nn0cni 12449 | . . . 4 ⊢ 8 ∈ ℂ |
| 10 | 6 | nn0cni 12449 | . . . 4 ⊢ 4 ∈ ℂ |
| 11 | 8p4e12 12726 | . . . 4 ⊢ (8 + 4) = ;12 | |
| 12 | 9, 10, 11 | addcomli 11338 | . . 3 ⊢ (4 + 8) = ;12 |
| 13 | 5, 6, 1, 7, 8, 5, 12 | decaddci 12705 | . 2 ⊢ (;24 + 8) = ;32 |
| 14 | 1, 2, 3, 4, 13 | 4t3lem 12741 | 1 ⊢ (8 · 4) = ;32 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7367 1c1 11039 · cmul 11043 2c2 12236 3c3 12237 4c4 12238 8c8 12242 ;cdc 12644 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5308 ax-pr 5376 ax-un 7689 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6266 df-ord 6327 df-on 6328 df-lim 6329 df-suc 6330 df-iota 6455 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-ltxr 11184 df-sub 11379 df-nn 12175 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 df-7 12249 df-8 12250 df-9 12251 df-n0 12438 df-dec 12645 |
| This theorem is referenced by: 8t5e40 12762 2exp5 17056 1259lem5 17105 4001lem1 17111 pntlemf 27568 |
| Copyright terms: Public domain | W3C validator |