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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 12451 | . 2 ⊢ 8 ∈ ℕ0 | |
| 2 | 4nn0 12447 | . 2 ⊢ 4 ∈ ℕ0 | |
| 3 | df-5 12238 | . 2 ⊢ 5 = (4 + 1) | |
| 4 | 8t4e32 12752 | . 2 ⊢ (8 · 4) = ;32 | |
| 5 | 3nn0 12446 | . . 3 ⊢ 3 ∈ ℕ0 | |
| 6 | 2nn0 12445 | . . 3 ⊢ 2 ∈ ℕ0 | |
| 7 | eqid 2737 | . . 3 ⊢ ;32 = ;32 | |
| 8 | 3p1e4 12312 | . . 3 ⊢ (3 + 1) = 4 | |
| 9 | 8cn 12269 | . . . 4 ⊢ 8 ∈ ℂ | |
| 10 | 2cn 12247 | . . . 4 ⊢ 2 ∈ ℂ | |
| 11 | 8p2e10 12715 | . . . 4 ⊢ (8 + 2) = ;10 | |
| 12 | 9, 10, 11 | addcomli 11329 | . . 3 ⊢ (2 + 8) = ;10 |
| 13 | 5, 6, 1, 7, 8, 12 | decaddci2 12697 | . 2 ⊢ (;32 + 8) = ;40 |
| 14 | 1, 2, 3, 4, 13 | 4t3lem 12732 | 1 ⊢ (8 · 5) = ;40 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7360 0cc0 11029 1c1 11030 · cmul 11034 2c2 12227 3c3 12228 4c4 12229 5c5 12230 8c8 12233 ;cdc 12635 |
| 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 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 |
| 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 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 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-2nd 7936 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-er 8636 df-en 8887 df-dom 8888 df-sdom 8889 df-pnf 11172 df-mnf 11173 df-ltxr 11175 df-sub 11370 df-nn 12166 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 df-7 12240 df-8 12241 df-9 12242 df-n0 12429 df-dec 12636 |
| This theorem is referenced by: 8t6e48 12754 2exp11 17051 2503lem2 17099 4001prm 17106 log2ub 26926 hgt750lem2 34812 420gcd8e4 42459 5tcu2e40 48090 |
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