odzcllem - Intuitionistic Logic Explorer

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Theorem odzcllem 12380

Description: - Lemma for odzcl 12381, showing existence of a recurrent point for the exponential. (Contributed by Mario Carneiro, 28-Feb-2014.) (Proof shortened by AV, 26-Sep-2020.)

**Assertion**
Ref	Expression
odzcllem	⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → (((od_ℤ‘𝑁)‘𝐴) ∈ ℕ ∧ 𝑁 ∥ ((𝐴↑((od_ℤ‘𝑁)‘𝐴)) − 1)))

Proof of Theorem odzcllem Dummy variable 𝑛 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		odzval 12379	. . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → ((od_ℤ‘𝑁)‘𝐴) = inf({𝑛 ∈ ℕ ∣ 𝑁 ∥ ((𝐴↑𝑛) − 1)}, ℝ, < ))
2		1zzd 9344	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → 1 ∈ ℤ)
3		nnuz 9628	. . . . 5 ⊢ ℕ = (ℤ_≥‘1)
4	3	rabeqi 2753	. . . 4 ⊢ {𝑛 ∈ ℕ ∣ 𝑁 ∥ ((𝐴↑𝑛) − 1)} = {𝑛 ∈ (ℤ_≥‘1) ∣ 𝑁 ∥ ((𝐴↑𝑛) − 1)}
5		oveq2 5926	. . . . . . 7 ⊢ (𝑛 = (ϕ‘𝑁) → (𝐴↑𝑛) = (𝐴↑(ϕ‘𝑁)))
6	5	oveq1d 5933	. . . . . 6 ⊢ (𝑛 = (ϕ‘𝑁) → ((𝐴↑𝑛) − 1) = ((𝐴↑(ϕ‘𝑁)) − 1))
7	6	breq2d 4041	. . . . 5 ⊢ (𝑛 = (ϕ‘𝑁) → (𝑁 ∥ ((𝐴↑𝑛) − 1) ↔ 𝑁 ∥ ((𝐴↑(ϕ‘𝑁)) − 1)))
8		phicl 12353	. . . . . 6 ⊢ (𝑁 ∈ ℕ → (ϕ‘𝑁) ∈ ℕ)
9	8	3ad2ant1 1020	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → (ϕ‘𝑁) ∈ ℕ)
10		eulerth 12371	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → ((𝐴↑(ϕ‘𝑁)) mod 𝑁) = (1 mod 𝑁))
11		simp1 999	. . . . . . 7 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → 𝑁 ∈ ℕ)
12		simp2 1000	. . . . . . . 8 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → 𝐴 ∈ ℤ)
13	9	nnnn0d 9293	. . . . . . . 8 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → (ϕ‘𝑁) ∈ ℕ₀)
14		zexpcl 10625	. . . . . . . 8 ⊢ ((𝐴 ∈ ℤ ∧ (ϕ‘𝑁) ∈ ℕ₀) → (𝐴↑(ϕ‘𝑁)) ∈ ℤ)
15	12, 13, 14	syl2anc 411	. . . . . . 7 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → (𝐴↑(ϕ‘𝑁)) ∈ ℤ)
16		1z 9343	. . . . . . . 8 ⊢ 1 ∈ ℤ
17		moddvds 11942	. . . . . . . 8 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴↑(ϕ‘𝑁)) ∈ ℤ ∧ 1 ∈ ℤ) → (((𝐴↑(ϕ‘𝑁)) mod 𝑁) = (1 mod 𝑁) ↔ 𝑁 ∥ ((𝐴↑(ϕ‘𝑁)) − 1)))
18	16, 17	mp3an3 1337	. . . . . . 7 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴↑(ϕ‘𝑁)) ∈ ℤ) → (((𝐴↑(ϕ‘𝑁)) mod 𝑁) = (1 mod 𝑁) ↔ 𝑁 ∥ ((𝐴↑(ϕ‘𝑁)) − 1)))
19	11, 15, 18	syl2anc 411	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → (((𝐴↑(ϕ‘𝑁)) mod 𝑁) = (1 mod 𝑁) ↔ 𝑁 ∥ ((𝐴↑(ϕ‘𝑁)) − 1)))
20	10, 19	mpbid 147	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → 𝑁 ∥ ((𝐴↑(ϕ‘𝑁)) − 1))
21	7, 9, 20	elrabd 2918	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → (ϕ‘𝑁) ∈ {𝑛 ∈ ℕ ∣ 𝑁 ∥ ((𝐴↑𝑛) − 1)})
22		elfznn 10120	. . . . . . . . 9 ⊢ (𝑛 ∈ (1...(ϕ‘𝑁)) → 𝑛 ∈ ℕ)
23	22	adantl 277	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) ∧ 𝑛 ∈ (1...(ϕ‘𝑁))) → 𝑛 ∈ ℕ)
24	23	nnnn0d 9293	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) ∧ 𝑛 ∈ (1...(ϕ‘𝑁))) → 𝑛 ∈ ℕ₀)
25		zexpcl 10625	. . . . . . 7 ⊢ ((𝐴 ∈ ℤ ∧ 𝑛 ∈ ℕ₀) → (𝐴↑𝑛) ∈ ℤ)
26	12, 24, 25	syl2an2r 595	. . . . . 6 ⊢ (((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) ∧ 𝑛 ∈ (1...(ϕ‘𝑁))) → (𝐴↑𝑛) ∈ ℤ)
27		peano2zm 9355	. . . . . 6 ⊢ ((𝐴↑𝑛) ∈ ℤ → ((𝐴↑𝑛) − 1) ∈ ℤ)
28	26, 27	syl 14	. . . . 5 ⊢ (((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) ∧ 𝑛 ∈ (1...(ϕ‘𝑁))) → ((𝐴↑𝑛) − 1) ∈ ℤ)
29		dvdsdc 11941	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ ((𝐴↑𝑛) − 1) ∈ ℤ) → DECID 𝑁 ∥ ((𝐴↑𝑛) − 1))
30	11, 28, 29	syl2an2r 595	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) ∧ 𝑛 ∈ (1...(ϕ‘𝑁))) → DECID 𝑁 ∥ ((𝐴↑𝑛) − 1))
31	2, 4, 21, 30	infssuzcldc 12088	. . 3 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → inf({𝑛 ∈ ℕ ∣ 𝑁 ∥ ((𝐴↑𝑛) − 1)}, ℝ, < ) ∈ {𝑛 ∈ ℕ ∣ 𝑁 ∥ ((𝐴↑𝑛) − 1)})
32	1, 31	eqeltrd 2270	. 2 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → ((od_ℤ‘𝑁)‘𝐴) ∈ {𝑛 ∈ ℕ ∣ 𝑁 ∥ ((𝐴↑𝑛) − 1)})
33		oveq2 5926	. . . . 5 ⊢ (𝑛 = ((od_ℤ‘𝑁)‘𝐴) → (𝐴↑𝑛) = (𝐴↑((od_ℤ‘𝑁)‘𝐴)))
34	33	oveq1d 5933	. . . 4 ⊢ (𝑛 = ((od_ℤ‘𝑁)‘𝐴) → ((𝐴↑𝑛) − 1) = ((𝐴↑((od_ℤ‘𝑁)‘𝐴)) − 1))
35	34	breq2d 4041	. . 3 ⊢ (𝑛 = ((od_ℤ‘𝑁)‘𝐴) → (𝑁 ∥ ((𝐴↑𝑛) − 1) ↔ 𝑁 ∥ ((𝐴↑((od_ℤ‘𝑁)‘𝐴)) − 1)))
36	35	elrab 2916	. 2 ⊢ (((od_ℤ‘𝑁)‘𝐴) ∈ {𝑛 ∈ ℕ ∣ 𝑁 ∥ ((𝐴↑𝑛) − 1)} ↔ (((od_ℤ‘𝑁)‘𝐴) ∈ ℕ ∧ 𝑁 ∥ ((𝐴↑((od_ℤ‘𝑁)‘𝐴)) − 1)))
37	32, 36	sylib 122	1 ⊢ ((𝑁 ∈ ℕ ∧ 𝐴 ∈ ℤ ∧ (𝐴 gcd 𝑁) = 1) → (((od_ℤ‘𝑁)‘𝐴) ∈ ℕ ∧ 𝑁 ∥ ((𝐴↑((od_ℤ‘𝑁)‘𝐴)) − 1)))

Colors of variables: wff set class

Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 DECID wdc 835 ∧ w3a 980 = wceq 1364 ∈ wcel 2164 {crab 2476 class class class wbr 4029 ‘cfv 5254 (class class class)co 5918 infcinf 7042 ℝcr 7871 1c1 7873 < clt 8054 − cmin 8190 ℕcn 8982 ℕ₀cn0 9240 ℤcz 9317 ℤ_≥cuz 9592 ...cfz 10074 mod cmo 10393 ↑cexp 10609 ∥ cdvds 11930 gcd cgcd 12079 od_ℤcodz 12346 ϕcphi 12347

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-coll 4144 ax-sep 4147 ax-nul 4155 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-setind 4569 ax-iinf 4620 ax-cnex 7963 ax-resscn 7964 ax-1cn 7965 ax-1re 7966 ax-icn 7967 ax-addcl 7968 ax-addrcl 7969 ax-mulcl 7970 ax-mulrcl 7971 ax-addcom 7972 ax-mulcom 7973 ax-addass 7974 ax-mulass 7975 ax-distr 7976 ax-i2m1 7977 ax-0lt1 7978 ax-1rid 7979 ax-0id 7980 ax-rnegex 7981 ax-precex 7982 ax-cnre 7983 ax-pre-ltirr 7984 ax-pre-ltwlin 7985 ax-pre-lttrn 7986 ax-pre-apti 7987 ax-pre-ltadd 7988 ax-pre-mulgt0 7989 ax-pre-mulext 7990 ax-arch 7991 ax-caucvg 7992

This theorem depends on definitions: df-bi 117 df-stab 832 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-reu 2479 df-rmo 2480 df-rab 2481 df-v 2762 df-sbc 2986 df-csb 3081 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-nul 3447 df-if 3558 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-iun 3914 df-br 4030 df-opab 4091 df-mpt 4092 df-tr 4128 df-id 4324 df-po 4327 df-iso 4328 df-iord 4397 df-on 4399 df-ilim 4400 df-suc 4402 df-iom 4623 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-res 4671 df-ima 4672 df-iota 5215 df-fun 5256 df-fn 5257 df-f 5258 df-f1 5259 df-fo 5260 df-f1o 5261 df-fv 5262 df-isom 5263 df-riota 5873 df-ov 5921 df-oprab 5922 df-mpo 5923 df-1st 6193 df-2nd 6194 df-recs 6358 df-irdg 6423 df-frec 6444 df-1o 6469 df-oadd 6473 df-er 6587 df-en 6795 df-dom 6796 df-fin 6797 df-sup 7043 df-inf 7044 df-pnf 8056 df-mnf 8057 df-xr 8058 df-ltxr 8059 df-le 8060 df-sub 8192 df-neg 8193 df-reap 8594 df-ap 8601 df-div 8692 df-inn 8983 df-2 9041 df-3 9042 df-4 9043 df-n0 9241 df-z 9318 df-uz 9593 df-q 9685 df-rp 9720 df-fz 10075 df-fzo 10209 df-fl 10339 df-mod 10394 df-seqfrec 10519 df-exp 10610 df-ihash 10847 df-cj 10986 df-re 10987 df-im 10988 df-rsqrt 11142 df-abs 11143 df-clim 11422 df-proddc 11694 df-dvds 11931 df-gcd 12080 df-odz 12348 df-phi 12349

This theorem is referenced by: odzcl 12381 odzid 12382

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