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| Description: Double exponents in a power mod calculation. (Contributed by Mario Carneiro, 21-Feb-2014.) | 
| Ref | Expression | 
|---|---|
| modxai.1 | ⊢ 𝑁 ∈ ℕ | 
| modxai.2 | ⊢ 𝐴 ∈ ℕ | 
| modxai.3 | ⊢ 𝐵 ∈ ℕ0 | 
| modxai.4 | ⊢ 𝐷 ∈ ℤ | 
| modxai.5 | ⊢ 𝐾 ∈ ℕ0 | 
| modxai.6 | ⊢ 𝑀 ∈ ℕ0 | 
| mod2xi.9 | ⊢ ((𝐴↑𝐵) mod 𝑁) = (𝐾 mod 𝑁) | 
| mod2xi.7 | ⊢ (2 · 𝐵) = 𝐸 | 
| mod2xi.8 | ⊢ ((𝐷 · 𝑁) + 𝑀) = (𝐾 · 𝐾) | 
| Ref | Expression | 
|---|---|
| mod2xi | ⊢ ((𝐴↑𝐸) mod 𝑁) = (𝑀 mod 𝑁) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | modxai.1 | . 2 ⊢ 𝑁 ∈ ℕ | |
| 2 | modxai.2 | . 2 ⊢ 𝐴 ∈ ℕ | |
| 3 | modxai.3 | . 2 ⊢ 𝐵 ∈ ℕ0 | |
| 4 | modxai.4 | . 2 ⊢ 𝐷 ∈ ℤ | |
| 5 | modxai.5 | . 2 ⊢ 𝐾 ∈ ℕ0 | |
| 6 | modxai.6 | . 2 ⊢ 𝑀 ∈ ℕ0 | |
| 7 | mod2xi.9 | . 2 ⊢ ((𝐴↑𝐵) mod 𝑁) = (𝐾 mod 𝑁) | |
| 8 | 3 | nn0cni 12540 | . . . 4 ⊢ 𝐵 ∈ ℂ | 
| 9 | 8 | 2timesi 12405 | . . 3 ⊢ (2 · 𝐵) = (𝐵 + 𝐵) | 
| 10 | mod2xi.7 | . . 3 ⊢ (2 · 𝐵) = 𝐸 | |
| 11 | 9, 10 | eqtr3i 2766 | . 2 ⊢ (𝐵 + 𝐵) = 𝐸 | 
| 12 | mod2xi.8 | . 2 ⊢ ((𝐷 · 𝑁) + 𝑀) = (𝐾 · 𝐾) | |
| 13 | 1, 2, 3, 4, 5, 6, 3, 5, 7, 7, 11, 12 | modxai 17107 | 1 ⊢ ((𝐴↑𝐸) mod 𝑁) = (𝑀 mod 𝑁) | 
| Colors of variables: wff setvar class | 
| Syntax hints: = wceq 1539 ∈ wcel 2107 (class class class)co 7432 + caddc 11159 · cmul 11161 ℕcn 12267 2c2 12322 ℕ0cn0 12528 ℤcz 12615 mod cmo 13910 ↑cexp 14103 | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2707 ax-sep 5295 ax-nul 5305 ax-pow 5364 ax-pr 5431 ax-un 7756 ax-cnex 11212 ax-resscn 11213 ax-1cn 11214 ax-icn 11215 ax-addcl 11216 ax-addrcl 11217 ax-mulcl 11218 ax-mulrcl 11219 ax-mulcom 11220 ax-addass 11221 ax-mulass 11222 ax-distr 11223 ax-i2m1 11224 ax-1ne0 11225 ax-1rid 11226 ax-rnegex 11227 ax-rrecex 11228 ax-cnre 11229 ax-pre-lttri 11230 ax-pre-lttrn 11231 ax-pre-ltadd 11232 ax-pre-mulgt0 11233 ax-pre-sup 11234 | 
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2728 df-clel 2815 df-nfc 2891 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3379 df-reu 3380 df-rab 3436 df-v 3481 df-sbc 3788 df-csb 3899 df-dif 3953 df-un 3955 df-in 3957 df-ss 3967 df-pss 3970 df-nul 4333 df-if 4525 df-pw 4601 df-sn 4626 df-pr 4628 df-op 4632 df-uni 4907 df-iun 4992 df-br 5143 df-opab 5205 df-mpt 5225 df-tr 5259 df-id 5577 df-eprel 5583 df-po 5591 df-so 5592 df-fr 5636 df-we 5638 df-xp 5690 df-rel 5691 df-cnv 5692 df-co 5693 df-dm 5694 df-rn 5695 df-res 5696 df-ima 5697 df-pred 6320 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6513 df-fun 6562 df-fn 6563 df-f 6564 df-f1 6565 df-fo 6566 df-f1o 6567 df-fv 6568 df-riota 7389 df-ov 7435 df-oprab 7436 df-mpo 7437 df-om 7889 df-2nd 8016 df-frecs 8307 df-wrecs 8338 df-recs 8412 df-rdg 8451 df-er 8746 df-en 8987 df-dom 8988 df-sdom 8989 df-sup 9483 df-inf 9484 df-pnf 11298 df-mnf 11299 df-xr 11300 df-ltxr 11301 df-le 11302 df-sub 11495 df-neg 11496 df-div 11922 df-nn 12268 df-2 12330 df-n0 12529 df-z 12616 df-uz 12880 df-rp 13036 df-fl 13833 df-mod 13911 df-seq 14044 df-exp 14104 | 
| This theorem is referenced by: mod2xnegi 17110 1259lem1 17169 1259lem2 17170 1259lem3 17171 1259lem4 17172 2503lem1 17175 2503lem2 17176 4001lem1 17179 4001lem2 17180 4001lem3 17181 2exp340mod341 47725 8exp8mod9 47728 | 
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