2lgslem1a1 - Intuitionistic Logic Explorer

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Theorem 2lgslem1a1 15234

Description: Lemma 1 for 2lgslem1a 15236. (Contributed by AV, 16-Jun-2021.)

**Assertion**
Ref	Expression
2lgslem1a1	⊢ ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → ∀𝑖 ∈ (1...((𝑃 − 1) / 2))(𝑖 · 2) = ((𝑖 · 2) mod 𝑃))

Distinct variable group: 𝑃,𝑖

**Proof of Theorem 2lgslem1a1**
Step	Hyp	Ref	Expression
1		elfzelz 10094	. . . . . . 7 ⊢ (𝑖 ∈ (1...((𝑃 − 1) / 2)) → 𝑖 ∈ ℤ)
2	1	adantl 277	. . . . . 6 ⊢ (((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) ∧ 𝑖 ∈ (1...((𝑃 − 1) / 2))) → 𝑖 ∈ ℤ)
3		2z 9348	. . . . . . 7 ⊢ 2 ∈ ℤ
4	3	a1i 9	. . . . . 6 ⊢ (((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) ∧ 𝑖 ∈ (1...((𝑃 − 1) / 2))) → 2 ∈ ℤ)
5	2, 4	zmulcld 9448	. . . . 5 ⊢ (((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) ∧ 𝑖 ∈ (1...((𝑃 − 1) / 2))) → (𝑖 · 2) ∈ ℤ)
6		zq 9694	. . . . 5 ⊢ ((𝑖 · 2) ∈ ℤ → (𝑖 · 2) ∈ ℚ)
7	5, 6	syl 14	. . . 4 ⊢ (((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) ∧ 𝑖 ∈ (1...((𝑃 − 1) / 2))) → (𝑖 · 2) ∈ ℚ)
8		nnq 9701	. . . . 5 ⊢ (𝑃 ∈ ℕ → 𝑃 ∈ ℚ)
9	8	ad2antrr 488	. . . 4 ⊢ (((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) ∧ 𝑖 ∈ (1...((𝑃 − 1) / 2))) → 𝑃 ∈ ℚ)
10		elfznn 10123	. . . . . 6 ⊢ (𝑖 ∈ (1...((𝑃 − 1) / 2)) → 𝑖 ∈ ℕ)
11		nnre 8991	. . . . . . 7 ⊢ (𝑖 ∈ ℕ → 𝑖 ∈ ℝ)
12		nnnn0 9250	. . . . . . . 8 ⊢ (𝑖 ∈ ℕ → 𝑖 ∈ ℕ₀)
13	12	nn0ge0d 9299	. . . . . . 7 ⊢ (𝑖 ∈ ℕ → 0 ≤ 𝑖)
14		2re 9054	. . . . . . . . 9 ⊢ 2 ∈ ℝ
15		0le2 9074	. . . . . . . . 9 ⊢ 0 ≤ 2
16	14, 15	pm3.2i 272	. . . . . . . 8 ⊢ (2 ∈ ℝ ∧ 0 ≤ 2)
17	16	a1i 9	. . . . . . 7 ⊢ (𝑖 ∈ ℕ → (2 ∈ ℝ ∧ 0 ≤ 2))
18		mulge0 8640	. . . . . . 7 ⊢ (((𝑖 ∈ ℝ ∧ 0 ≤ 𝑖) ∧ (2 ∈ ℝ ∧ 0 ≤ 2)) → 0 ≤ (𝑖 · 2))
19	11, 13, 17, 18	syl21anc 1248	. . . . . 6 ⊢ (𝑖 ∈ ℕ → 0 ≤ (𝑖 · 2))
20	10, 19	syl 14	. . . . 5 ⊢ (𝑖 ∈ (1...((𝑃 − 1) / 2)) → 0 ≤ (𝑖 · 2))
21	20	adantl 277	. . . 4 ⊢ (((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) ∧ 𝑖 ∈ (1...((𝑃 − 1) / 2))) → 0 ≤ (𝑖 · 2))
22		elfz2 10084	. . . . . 6 ⊢ (𝑖 ∈ (1...((𝑃 − 1) / 2)) ↔ ((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) ∧ (1 ≤ 𝑖 ∧ 𝑖 ≤ ((𝑃 − 1) / 2))))
23		zre 9324	. . . . . . . . . . 11 ⊢ (𝑖 ∈ ℤ → 𝑖 ∈ ℝ)
24	23	3ad2ant3 1022	. . . . . . . . . 10 ⊢ ((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) → 𝑖 ∈ ℝ)
25		zre 9324	. . . . . . . . . . 11 ⊢ (((𝑃 − 1) / 2) ∈ ℤ → ((𝑃 − 1) / 2) ∈ ℝ)
26	25	3ad2ant2 1021	. . . . . . . . . 10 ⊢ ((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) → ((𝑃 − 1) / 2) ∈ ℝ)
27		2pos 9075	. . . . . . . . . . . 12 ⊢ 0 < 2
28	14, 27	pm3.2i 272	. . . . . . . . . . 11 ⊢ (2 ∈ ℝ ∧ 0 < 2)
29	28	a1i 9	. . . . . . . . . 10 ⊢ ((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) → (2 ∈ ℝ ∧ 0 < 2))
30		lemul1 8614	. . . . . . . . . 10 ⊢ ((𝑖 ∈ ℝ ∧ ((𝑃 − 1) / 2) ∈ ℝ ∧ (2 ∈ ℝ ∧ 0 < 2)) → (𝑖 ≤ ((𝑃 − 1) / 2) ↔ (𝑖 · 2) ≤ (((𝑃 − 1) / 2) · 2)))
31	24, 26, 29, 30	syl3anc 1249	. . . . . . . . 9 ⊢ ((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) → (𝑖 ≤ ((𝑃 − 1) / 2) ↔ (𝑖 · 2) ≤ (((𝑃 − 1) / 2) · 2)))
32		nncn 8992	. . . . . . . . . . . . . . . . 17 ⊢ (𝑃 ∈ ℕ → 𝑃 ∈ ℂ)
33		peano2cnm 8287	. . . . . . . . . . . . . . . . 17 ⊢ (𝑃 ∈ ℂ → (𝑃 − 1) ∈ ℂ)
34	32, 33	syl 14	. . . . . . . . . . . . . . . 16 ⊢ (𝑃 ∈ ℕ → (𝑃 − 1) ∈ ℂ)
35		2cnd 9057	. . . . . . . . . . . . . . . 16 ⊢ (𝑃 ∈ ℕ → 2 ∈ ℂ)
36		2ap0 9077	. . . . . . . . . . . . . . . . 17 ⊢ 2 # 0
37	36	a1i 9	. . . . . . . . . . . . . . . 16 ⊢ (𝑃 ∈ ℕ → 2 # 0)
38	34, 35, 37	divcanap1d 8812	. . . . . . . . . . . . . . 15 ⊢ (𝑃 ∈ ℕ → (((𝑃 − 1) / 2) · 2) = (𝑃 − 1))
39	38	adantr 276	. . . . . . . . . . . . . 14 ⊢ ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → (((𝑃 − 1) / 2) · 2) = (𝑃 − 1))
40	39	adantl 277	. . . . . . . . . . . . 13 ⊢ (((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) ∧ (𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃)) → (((𝑃 − 1) / 2) · 2) = (𝑃 − 1))
41	40	breq2d 4042	. . . . . . . . . . . 12 ⊢ (((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) ∧ (𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃)) → ((𝑖 · 2) ≤ (((𝑃 − 1) / 2) · 2) ↔ (𝑖 · 2) ≤ (𝑃 − 1)))
42		id 19	. . . . . . . . . . . . . . . 16 ⊢ (𝑖 ∈ ℤ → 𝑖 ∈ ℤ)
43	3	a1i 9	. . . . . . . . . . . . . . . 16 ⊢ (𝑖 ∈ ℤ → 2 ∈ ℤ)
44	42, 43	zmulcld 9448	. . . . . . . . . . . . . . 15 ⊢ (𝑖 ∈ ℤ → (𝑖 · 2) ∈ ℤ)
45	44	3ad2ant3 1022	. . . . . . . . . . . . . 14 ⊢ ((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) → (𝑖 · 2) ∈ ℤ)
46		nnz 9339	. . . . . . . . . . . . . . 15 ⊢ (𝑃 ∈ ℕ → 𝑃 ∈ ℤ)
47	46	adantr 276	. . . . . . . . . . . . . 14 ⊢ ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → 𝑃 ∈ ℤ)
48		zltlem1 9377	. . . . . . . . . . . . . 14 ⊢ (((𝑖 · 2) ∈ ℤ ∧ 𝑃 ∈ ℤ) → ((𝑖 · 2) < 𝑃 ↔ (𝑖 · 2) ≤ (𝑃 − 1)))
49	45, 47, 48	syl2an 289	. . . . . . . . . . . . 13 ⊢ (((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) ∧ (𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃)) → ((𝑖 · 2) < 𝑃 ↔ (𝑖 · 2) ≤ (𝑃 − 1)))
50	49	biimprd 158	. . . . . . . . . . . 12 ⊢ (((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) ∧ (𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃)) → ((𝑖 · 2) ≤ (𝑃 − 1) → (𝑖 · 2) < 𝑃))
51	41, 50	sylbid 150	. . . . . . . . . . 11 ⊢ (((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) ∧ (𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃)) → ((𝑖 · 2) ≤ (((𝑃 − 1) / 2) · 2) → (𝑖 · 2) < 𝑃))
52	51	ex 115	. . . . . . . . . 10 ⊢ ((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) → ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → ((𝑖 · 2) ≤ (((𝑃 − 1) / 2) · 2) → (𝑖 · 2) < 𝑃)))
53	52	com23 78	. . . . . . . . 9 ⊢ ((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) → ((𝑖 · 2) ≤ (((𝑃 − 1) / 2) · 2) → ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → (𝑖 · 2) < 𝑃)))
54	31, 53	sylbid 150	. . . . . . . 8 ⊢ ((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) → (𝑖 ≤ ((𝑃 − 1) / 2) → ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → (𝑖 · 2) < 𝑃)))
55	54	a1d 22	. . . . . . 7 ⊢ ((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) → (1 ≤ 𝑖 → (𝑖 ≤ ((𝑃 − 1) / 2) → ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → (𝑖 · 2) < 𝑃))))
56	55	imp32 257	. . . . . 6 ⊢ (((1 ∈ ℤ ∧ ((𝑃 − 1) / 2) ∈ ℤ ∧ 𝑖 ∈ ℤ) ∧ (1 ≤ 𝑖 ∧ 𝑖 ≤ ((𝑃 − 1) / 2))) → ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → (𝑖 · 2) < 𝑃))
57	22, 56	sylbi 121	. . . . 5 ⊢ (𝑖 ∈ (1...((𝑃 − 1) / 2)) → ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → (𝑖 · 2) < 𝑃))
58	57	impcom 125	. . . 4 ⊢ (((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) ∧ 𝑖 ∈ (1...((𝑃 − 1) / 2))) → (𝑖 · 2) < 𝑃)
59		modqid 10423	. . . 4 ⊢ ((((𝑖 · 2) ∈ ℚ ∧ 𝑃 ∈ ℚ) ∧ (0 ≤ (𝑖 · 2) ∧ (𝑖 · 2) < 𝑃)) → ((𝑖 · 2) mod 𝑃) = (𝑖 · 2))
60	7, 9, 21, 58, 59	syl22anc 1250	. . 3 ⊢ (((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) ∧ 𝑖 ∈ (1...((𝑃 − 1) / 2))) → ((𝑖 · 2) mod 𝑃) = (𝑖 · 2))
61	60	eqcomd 2199	. 2 ⊢ (((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) ∧ 𝑖 ∈ (1...((𝑃 − 1) / 2))) → (𝑖 · 2) = ((𝑖 · 2) mod 𝑃))
62	61	ralrimiva 2567	1 ⊢ ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → ∀𝑖 ∈ (1...((𝑃 − 1) / 2))(𝑖 · 2) = ((𝑖 · 2) mod 𝑃))

Colors of variables: wff set class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 104 ↔ wb 105 ∧ w3a 980 = wceq 1364 ∈ wcel 2164 ∀wral 2472 class class class wbr 4030 (class class class)co 5919 ℂcc 7872 ℝcr 7873 0cc0 7874 1c1 7875 · cmul 7879 < clt 8056 ≤ cle 8057 − cmin 8192 # cap 8602 / cdiv 8693 ℕcn 8984 2c2 9035 ℤcz 9320 ℚcq 9687 ...cfz 10077 mod cmo 10396 ∥ cdvds 11933

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-sep 4148 ax-pow 4204 ax-pr 4239 ax-un 4465 ax-setind 4570 ax-cnex 7965 ax-resscn 7966 ax-1cn 7967 ax-1re 7968 ax-icn 7969 ax-addcl 7970 ax-addrcl 7971 ax-mulcl 7972 ax-mulrcl 7973 ax-addcom 7974 ax-mulcom 7975 ax-addass 7976 ax-mulass 7977 ax-distr 7978 ax-i2m1 7979 ax-0lt1 7980 ax-1rid 7981 ax-0id 7982 ax-rnegex 7983 ax-precex 7984 ax-cnre 7985 ax-pre-ltirr 7986 ax-pre-ltwlin 7987 ax-pre-lttrn 7988 ax-pre-apti 7989 ax-pre-ltadd 7990 ax-pre-mulgt0 7991 ax-pre-mulext 7992 ax-arch 7993

This theorem depends on definitions: df-bi 117 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 2987 df-csb 3082 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-int 3872 df-iun 3915 df-br 4031 df-opab 4092 df-mpt 4093 df-id 4325 df-po 4328 df-iso 4329 df-xp 4666 df-rel 4667 df-cnv 4668 df-co 4669 df-dm 4670 df-rn 4671 df-res 4672 df-ima 4673 df-iota 5216 df-fun 5257 df-fn 5258 df-f 5259 df-fv 5263 df-riota 5874 df-ov 5922 df-oprab 5923 df-mpo 5924 df-1st 6195 df-2nd 6196 df-pnf 8058 df-mnf 8059 df-xr 8060 df-ltxr 8061 df-le 8062 df-sub 8194 df-neg 8195 df-reap 8596 df-ap 8603 df-div 8694 df-inn 8985 df-2 9043 df-n0 9244 df-z 9321 df-uz 9596 df-q 9688 df-rp 9723 df-fz 10078 df-fl 10342 df-mod 10397

This theorem is referenced by: 2lgslem1a 15236

W3C validator