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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 12460 | . 2 ⊢ 8 ∈ ℕ0 | |
| 2 | 4nn0 12456 | . 2 ⊢ 4 ∈ ℕ0 | |
| 3 | df-5 12247 | . 2 ⊢ 5 = (4 + 1) | |
| 4 | 8t4e32 12761 | . 2 ⊢ (8 · 4) = ;32 | |
| 5 | 3nn0 12455 | . . 3 ⊢ 3 ∈ ℕ0 | |
| 6 | 2nn0 12454 | . . 3 ⊢ 2 ∈ ℕ0 | |
| 7 | eqid 2736 | . . 3 ⊢ ;32 = ;32 | |
| 8 | 3p1e4 12321 | . . 3 ⊢ (3 + 1) = 4 | |
| 9 | 8cn 12278 | . . . 4 ⊢ 8 ∈ ℂ | |
| 10 | 2cn 12256 | . . . 4 ⊢ 2 ∈ ℂ | |
| 11 | 8p2e10 12724 | . . . 4 ⊢ (8 + 2) = ;10 | |
| 12 | 9, 10, 11 | addcomli 11338 | . . 3 ⊢ (2 + 8) = ;10 |
| 13 | 5, 6, 1, 7, 8, 12 | decaddci2 12706 | . 2 ⊢ (;32 + 8) = ;40 |
| 14 | 1, 2, 3, 4, 13 | 4t3lem 12741 | 1 ⊢ (8 · 5) = ;40 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7367 0cc0 11038 1c1 11039 · cmul 11043 2c2 12236 3c3 12237 4c4 12238 5c5 12239 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 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 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 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 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: 8t6e48 12763 2exp11 17060 2503lem2 17108 4001prm 17115 log2ub 26913 hgt750lem2 34796 420gcd8e4 42445 5tcu2e40 48078 |
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