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| Mirrors > Home > MPE Home > Th. List > 2exp4 | Structured version Visualization version GIF version | ||
| Description: Two to the fourth power is 16. (Contributed by Mario Carneiro, 20-Apr-2015.) |
| Ref | Expression |
|---|---|
| 2exp4 | ⊢ (2↑4) = ;16 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2nn0 12454 | . 2 ⊢ 2 ∈ ℕ0 | |
| 2 | 2t2e4 12340 | . 2 ⊢ (2 · 2) = 4 | |
| 3 | sq2 14159 | . 2 ⊢ (2↑2) = 4 | |
| 4 | 4t4e16 12743 | . 2 ⊢ (4 · 4) = ;16 | |
| 5 | 1, 1, 2, 3, 4 | numexp2x 17049 | 1 ⊢ (2↑4) = ;16 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7367 1c1 11039 2c2 12236 4c4 12238 6c6 12240 ;cdc 12644 ↑cexp 14023 |
| 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 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| 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 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 3062 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 df-7 12249 df-8 12250 df-9 12251 df-n0 12438 df-z 12525 df-dec 12645 df-uz 12789 df-seq 13964 df-exp 14024 |
| This theorem is referenced by: 2exp8 17059 2expltfac 17063 1259lem3 17103 quart1lem 26819 hgt750lem 34795 aks4d1p1p5 42514 aks4d1p1 42515 wallispi2lem1 46499 wallispi2lem2 46500 goldratmolem2 47334 fmtno2 48013 fmtno4 48015 ackval3012 49168 ackval42a 49173 |
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