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| Mirrors > Home > MPE Home > Th. List > 6t3e18 | Structured version Visualization version GIF version | ||
| Description: 6 times 3 equals 18. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 6t3e18 | ⊢ (6 · 3) = ;18 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 6nn0 12422 | . 2 ⊢ 6 ∈ ℕ0 | |
| 2 | 2nn0 12418 | . 2 ⊢ 2 ∈ ℕ0 | |
| 3 | df-3 12209 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 6t2e12 12711 | . 2 ⊢ (6 · 2) = ;12 | |
| 5 | 1nn0 12417 | . . 3 ⊢ 1 ∈ ℕ0 | |
| 6 | eqid 2736 | . . 3 ⊢ ;12 = ;12 | |
| 7 | 6cn 12236 | . . . 4 ⊢ 6 ∈ ℂ | |
| 8 | 2cn 12220 | . . . 4 ⊢ 2 ∈ ℂ | |
| 9 | 6p2e8 12299 | . . . 4 ⊢ (6 + 2) = 8 | |
| 10 | 7, 8, 9 | addcomli 11325 | . . 3 ⊢ (2 + 6) = 8 |
| 11 | 5, 2, 1, 6, 10 | decaddi 12667 | . 2 ⊢ (;12 + 6) = ;18 |
| 12 | 1, 2, 3, 4, 11 | 4t3lem 12704 | 1 ⊢ (6 · 3) = ;18 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7358 1c1 11027 · cmul 11031 2c2 12200 3c3 12201 6c6 12204 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-ov 7361 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-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: 6t4e24 12713 19prm 17045 83prm 17050 139prm 17051 1259lem2 17059 1259lem4 17061 ex-lcm 30533 fmtno5lem1 47795 fmtno5lem3 47797 fmtno4prmfac 47814 139prmALT 47838 |
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