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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 12424 | . 2 ⊢ 8 ∈ ℕ0 | |
| 2 | 4nn0 12420 | . 2 ⊢ 4 ∈ ℕ0 | |
| 3 | df-5 12211 | . 2 ⊢ 5 = (4 + 1) | |
| 4 | 8t4e32 12724 | . 2 ⊢ (8 · 4) = ;32 | |
| 5 | 3nn0 12419 | . . 3 ⊢ 3 ∈ ℕ0 | |
| 6 | 2nn0 12418 | . . 3 ⊢ 2 ∈ ℕ0 | |
| 7 | eqid 2736 | . . 3 ⊢ ;32 = ;32 | |
| 8 | 3p1e4 12285 | . . 3 ⊢ (3 + 1) = 4 | |
| 9 | 8cn 12242 | . . . 4 ⊢ 8 ∈ ℂ | |
| 10 | 2cn 12220 | . . . 4 ⊢ 2 ∈ ℂ | |
| 11 | 8p2e10 12687 | . . . 4 ⊢ (8 + 2) = ;10 | |
| 12 | 9, 10, 11 | addcomli 11325 | . . 3 ⊢ (2 + 8) = ;10 |
| 13 | 5, 6, 1, 7, 8, 12 | decaddci2 12669 | . 2 ⊢ (;32 + 8) = ;40 |
| 14 | 1, 2, 3, 4, 13 | 4t3lem 12704 | 1 ⊢ (8 · 5) = ;40 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7358 0cc0 11026 1c1 11027 · cmul 11031 2c2 12200 3c3 12201 4c4 12202 5c5 12203 8c8 12206 ;cdc 12607 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 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 3061 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-ltxr 11171 df-sub 11366 df-nn 12146 df-2 12208 df-3 12209 df-4 12210 df-5 12211 df-6 12212 df-7 12213 df-8 12214 df-9 12215 df-n0 12402 df-dec 12608 |
| This theorem is referenced by: 8t6e48 12726 2exp11 17017 2503lem2 17065 4001prm 17072 log2ub 26915 hgt750lem2 34809 420gcd8e4 42256 5tcu2e40 47857 |
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