| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 8t6e48 | Structured version Visualization version GIF version | ||
| Description: 8 times 6 equals 48. (Contributed by Mario Carneiro, 19-Apr-2015.) (Revised by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| 8t6e48 | ⊢ (8 · 6) = ;48 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 8nn0 12454 | . 2 ⊢ 8 ∈ ℕ0 | |
| 2 | 5nn0 12451 | . 2 ⊢ 5 ∈ ℕ0 | |
| 3 | df-6 12242 | . 2 ⊢ 6 = (5 + 1) | |
| 4 | 8t5e40 12756 | . . 3 ⊢ (8 · 5) = ;40 | |
| 5 | 4nn0 12450 | . . . 4 ⊢ 4 ∈ ℕ0 | |
| 6 | 5 | dec0u 12659 | . . 3 ⊢ (;10 · 4) = ;40 |
| 7 | 4, 6 | eqtr4i 2763 | . 2 ⊢ (8 · 5) = (;10 · 4) |
| 8 | dfdec10 12641 | . . 3 ⊢ ;48 = ((;10 · 4) + 8) | |
| 9 | 8 | eqcomi 2746 | . 2 ⊢ ((;10 · 4) + 8) = ;48 |
| 10 | 1, 2, 3, 7, 9 | 4t3lem 12735 | 1 ⊢ (8 · 6) = ;48 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7361 0cc0 11032 1c1 11033 + caddc 11035 · cmul 11037 4c4 12232 5c5 12233 6c6 12234 8c8 12236 ;cdc 12638 |
| 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 5303 ax-pr 5371 ax-un 7683 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 |
| 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 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-2nd 7937 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11175 df-mnf 11176 df-ltxr 11178 df-sub 11373 df-nn 12169 df-2 12238 df-3 12239 df-4 12240 df-5 12241 df-6 12242 df-7 12243 df-8 12244 df-9 12245 df-n0 12432 df-dec 12639 |
| This theorem is referenced by: 8t7e56 12758 2exp11 17054 1259lem3 17097 |
| Copyright terms: Public domain | W3C validator |