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| Mirrors > Home > MPE Home > Th. List > 8t5e40 | Structured version Visualization version GIF version | ||
| Description: 8 times 5 equals 40. (Contributed by Mario Carneiro, 19-Apr-2015.) (Revised by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| 8t5e40 | ⊢ (8 · 5) = ;40 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 8nn0 12633 | . 2 ⊢ 8 ∈ ℕ0 | |
| 2 | 4nn0 12629 | . 2 ⊢ 4 ∈ ℕ0 | |
| 3 | df-5 12412 | . 2 ⊢ 5 = (4 + 1) | |
| 4 | 8t4e32 12940 | . 2 ⊢ (8 · 4) = ;32 | |
| 5 | 3nn0 12628 | . . 3 ⊢ 3 ∈ ℕ0 | |
| 6 | 2nn0 12627 | . . 3 ⊢ 2 ∈ ℕ0 | |
| 7 | eqid 2760 | . . 3 ⊢ ;32 = ;32 | |
| 8 | 3p1e4 12491 | . . 3 ⊢ (3 + 1) = 4 | |
| 9 | 8cn 12444 | . . . 4 ⊢ 8 ∈ ℂ | |
| 10 | 2cn 12422 | . . . 4 ⊢ 2 ∈ ℂ | |
| 11 | 8p2e10 12903 | . . . 4 ⊢ (8 + 2) = ;10 | |
| 12 | 9, 10, 11 | addcomli 11506 | . . 3 ⊢ (2 + 8) = ;10 |
| 13 | 5, 6, 1, 7, 8, 12 | decaddci2 12885 | . 2 ⊢ (;32 + 8) = ;40 |
| 14 | 1, 2, 3, 4, 13 | 4t3lem 12920 | 1 ⊢ (8 · 5) = ;40 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 (class class class)co 7421 0cc0 11204 1c1 11205 · cmul 11209 2c2 12401 3c3 12402 4c4 12403 5c5 12404 8c8 12407 ;cdc 12818 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-pnf 11349 df-mnf 11350 df-ltxr 11352 df-sub 11547 df-nn 12340 df-2 12409 df-3 12410 df-4 12411 df-5 12412 df-6 12413 df-7 12414 df-8 12415 df-9 12416 df-n0 12611 df-dec 12819 |
| This theorem is used by: 8t6e48 12942 2exp11 17273 2503lem2 17322 4001prm 17329 log2ub 27283 hgt750lem2 35328 420gcd8e4 43150 5tcu2e40 48794 |
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