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| Mirrors > Home > MPE Home > Th. List > 4t4e16 | Structured version Visualization version GIF version | ||
| Description: 4 times 4 equals 16. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 4t4e16 | ⊢ (4 · 4) = ;16 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 4nn0 12569 | . 2 ⊢ 4 ∈ ℕ0 | |
| 2 | 3nn0 12568 | . 2 ⊢ 3 ∈ ℕ0 | |
| 3 | df-4 12351 | . 2 ⊢ 4 = (3 + 1) | |
| 4 | 4t3e12 12861 | . 2 ⊢ (4 · 3) = ;12 | |
| 5 | 1nn0 12566 | . . 3 ⊢ 1 ∈ ℕ0 | |
| 6 | 2nn0 12567 | . . 3 ⊢ 2 ∈ ℕ0 | |
| 7 | eqid 2760 | . . 3 ⊢ ;12 = ;12 | |
| 8 | 4cn 12372 | . . . 4 ⊢ 4 ∈ ℂ | |
| 9 | 2cn 12362 | . . . 4 ⊢ 2 ∈ ℂ | |
| 10 | 4p2e6 12439 | . . . 4 ⊢ (4 + 2) = 6 | |
| 11 | 8, 9, 10 | addcomli 11448 | . . 3 ⊢ (2 + 4) = 6 |
| 12 | 5, 6, 1, 7, 11 | decaddi 12823 | . 2 ⊢ (;12 + 4) = ;16 |
| 13 | 1, 2, 3, 4, 12 | 4t3lem 12860 | 1 ⊢ (4 · 4) = ;16 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7415 1c1 11147 · cmul 11151 2c2 12341 3c3 12342 4c4 12343 6c6 12345 ;cdc 12758 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7738 ax-resscn 11203 ax-1cn 11204 ax-icn 11205 ax-addcl 11206 ax-addrcl 11207 ax-mulcl 11208 ax-mulrcl 11209 ax-mulcom 11210 ax-addass 11211 ax-mulass 11212 ax-distr 11213 ax-i2m1 11214 ax-1ne0 11215 ax-1rid 11216 ax-rnegex 11217 ax-rrecex 11218 ax-cnre 11219 ax-pre-lttri 11220 ax-pre-lttrn 11221 ax-pre-ltadd 11222 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6300 df-ord 6361 df-on 6362 df-lim 6363 df-suc 6364 df-iota 6490 df-fun 6536 df-fn 6537 df-f 6538 df-f1 6539 df-fo 6540 df-f1o 6541 df-fv 6542 df-ov 7418 df-om 7865 df-2nd 7989 df-frecs 8282 df-wrecs 8313 df-recs 8362 df-rdg 8401 df-er 8700 df-en 8957 df-dom 8958 df-sdom 8959 df-pnf 11291 df-mnf 11292 df-ltxr 11294 df-nn 12280 df-2 12349 df-3 12350 df-4 12351 df-5 12352 df-6 12353 df-7 12354 df-8 12355 df-9 12356 df-n0 12551 df-dec 12759 |
| This theorem is used by: 2exp4 17198 2503lem2 17252 4001lem1 17255 4001lem2 17256 quart1lem 27121 quart1 27122 hgt750lem2 35190 3lexlogpow5ineq1 42934 aks4d1p1p7 42954 sq4 43182 resqrtvalex 44499 wallispi2lem1 46913 fmtno4prmfac 48489 fmtno5faclem1 48496 2exp340mod341 48663 |
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