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Theorem usgrexmplef 29759

Description: Lemma for usgrexmpl 29763. (Contributed by Alexander van der Vekens, 15-Aug-2017.)

**Hypotheses**
Ref	Expression
usgrexmplef.v	⊢ 𝑉 = (0...4)
usgrexmplef.e	⊢ 𝐸 = ⟨“{0, 1} {1, 2} {2, 0} {0, 3}”⟩

**Assertion**
Ref	Expression
usgrexmplef	⊢ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2}

Distinct variable groups: 𝑒,𝐸 𝑒,𝑉

Proof of Theorem usgrexmplef Dummy variables 𝑥 𝑦 𝑝 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		usgrexmpldifpr 29758	. . 3 ⊢ (({0, 1} ≠ {1, 2} ∧ {0, 1} ≠ {2, 0} ∧ {0, 1} ≠ {0, 3}) ∧ ({1, 2} ≠ {2, 0} ∧ {1, 2} ≠ {0, 3} ∧ {2, 0} ≠ {0, 3}))
2		usgrexmplef.e	. . 3 ⊢ 𝐸 = ⟨“{0, 1} {1, 2} {2, 0} {0, 3}”⟩
3		prex 5396	. . . 4 ⊢ {0, 1} ∈ V
4		prex 5396	. . . 4 ⊢ {1, 2} ∈ V
5		prex 5396	. . . 4 ⊢ {2, 0} ∈ V
6		prex 5396	. . . 4 ⊢ {0, 3} ∈ V
7		s4f1o 15022	. . . 4 ⊢ ((({0, 1} ∈ V ∧ {1, 2} ∈ V) ∧ ({2, 0} ∈ V ∧ {0, 3} ∈ V)) → ((({0, 1} ≠ {1, 2} ∧ {0, 1} ≠ {2, 0} ∧ {0, 1} ≠ {0, 3}) ∧ ({1, 2} ≠ {2, 0} ∧ {1, 2} ≠ {0, 3} ∧ {2, 0} ≠ {0, 3})) → (𝐸 = ⟨“{0, 1} {1, 2} {2, 0} {0, 3}”⟩ → 𝐸:dom 𝐸–1-1-onto→({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}))))
8	3, 4, 5, 6, 7	mp4an 706	. . 3 ⊢ ((({0, 1} ≠ {1, 2} ∧ {0, 1} ≠ {2, 0} ∧ {0, 1} ≠ {0, 3}) ∧ ({1, 2} ≠ {2, 0} ∧ {1, 2} ≠ {0, 3} ∧ {2, 0} ≠ {0, 3})) → (𝐸 = ⟨“{0, 1} {1, 2} {2, 0} {0, 3}”⟩ → 𝐸:dom 𝐸–1-1-onto→({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}})))
9	1, 2, 8	mp2 9	. 2 ⊢ 𝐸:dom 𝐸–1-1-onto→({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}})
10		f1of1 6812	. 2 ⊢ (𝐸:dom 𝐸–1-1-onto→({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) → 𝐸:dom 𝐸–1-1→({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}))
11		id 23	. . . . . . 7 ⊢ (ran 𝐸 ⊆ ({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) → ran 𝐸 ⊆ ({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}))
12		vex 3454	. . . . . . . . . . . 12 ⊢ 𝑝 ∈ V
13	12	elpr 4609	. . . . . . . . . . 11 ⊢ (𝑝 ∈ {{0, 1}, {1, 2}} ↔ (𝑝 = {0, 1} ∨ 𝑝 = {1, 2}))
14		0nn0 12576	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ ℕ₀
15		4nn0 12580	. . . . . . . . . . . . . . . 16 ⊢ 4 ∈ ℕ₀
16		0re 11267	. . . . . . . . . . . . . . . . 17 ⊢ 0 ∈ ℝ
17		4re 12382	. . . . . . . . . . . . . . . . 17 ⊢ 4 ∈ ℝ
18		4pos 12408	. . . . . . . . . . . . . . . . 17 ⊢ 0 < 4
19	16, 17, 18	ltleii 11390	. . . . . . . . . . . . . . . 16 ⊢ 0 ≤ 4
20		elfz2nn0 13706	. . . . . . . . . . . . . . . 16 ⊢ (0 ∈ (0...4) ↔ (0 ∈ ℕ₀ ∧ 4 ∈ ℕ₀ ∧ 0 ≤ 4))
21	14, 15, 19, 20	mpbir3an 1360	. . . . . . . . . . . . . . 15 ⊢ 0 ∈ (0...4)
22		usgrexmplef.v	. . . . . . . . . . . . . . 15 ⊢ 𝑉 = (0...4)
23	21, 22	eleqtrri 2859	. . . . . . . . . . . . . 14 ⊢ 0 ∈ 𝑉
24		1nn0 12577	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ ℕ₀
25		1re 11265	. . . . . . . . . . . . . . . . 17 ⊢ 1 ∈ ℝ
26		1lt4 12476	. . . . . . . . . . . . . . . . 17 ⊢ 1 < 4
27	25, 17, 26	ltleii 11390	. . . . . . . . . . . . . . . 16 ⊢ 1 ≤ 4
28		elfz2nn0 13706	. . . . . . . . . . . . . . . 16 ⊢ (1 ∈ (0...4) ↔ (1 ∈ ℕ₀ ∧ 4 ∈ ℕ₀ ∧ 1 ≤ 4))
29	24, 15, 27, 28	mpbir3an 1360	. . . . . . . . . . . . . . 15 ⊢ 1 ∈ (0...4)
30	29, 22	eleqtrri 2859	. . . . . . . . . . . . . 14 ⊢ 1 ∈ 𝑉
31		prelpwi 5415	. . . . . . . . . . . . . . 15 ⊢ ((0 ∈ 𝑉 ∧ 1 ∈ 𝑉) → {0, 1} ∈ 𝒫 𝑉)
32		eleq1 2848	. . . . . . . . . . . . . . 15 ⊢ (𝑝 = {0, 1} → (𝑝 ∈ 𝒫 𝑉 ↔ {0, 1} ∈ 𝒫 𝑉))
33	31, 32	syl5ibrcom 250	. . . . . . . . . . . . . 14 ⊢ ((0 ∈ 𝑉 ∧ 1 ∈ 𝑉) → (𝑝 = {0, 1} → 𝑝 ∈ 𝒫 𝑉))
34	23, 30, 33	mp2an 705	. . . . . . . . . . . . 13 ⊢ (𝑝 = {0, 1} → 𝑝 ∈ 𝒫 𝑉)
35		fveq2 6874	. . . . . . . . . . . . . 14 ⊢ (𝑝 = {0, 1} → (♯‘𝑝) = (♯‘{0, 1}))
36		prhash2ex 14496	. . . . . . . . . . . . . 14 ⊢ (♯‘{0, 1}) = 2
37	35, 36	eqtrdi 2811	. . . . . . . . . . . . 13 ⊢ (𝑝 = {0, 1} → (♯‘𝑝) = 2)
38	34, 37	jca 521	. . . . . . . . . . . 12 ⊢ (𝑝 = {0, 1} → (𝑝 ∈ 𝒫 𝑉 ∧ (♯‘𝑝) = 2))
39		2nn0 12578	. . . . . . . . . . . . . . . 16 ⊢ 2 ∈ ℕ₀
40		2re 12372	. . . . . . . . . . . . . . . . 17 ⊢ 2 ∈ ℝ
41		2lt4 12475	. . . . . . . . . . . . . . . . 17 ⊢ 2 < 4
42	40, 17, 41	ltleii 11390	. . . . . . . . . . . . . . . 16 ⊢ 2 ≤ 4
43		elfz2nn0 13706	. . . . . . . . . . . . . . . 16 ⊢ (2 ∈ (0...4) ↔ (2 ∈ ℕ₀ ∧ 4 ∈ ℕ₀ ∧ 2 ≤ 4))
44	39, 15, 42, 43	mpbir3an 1360	. . . . . . . . . . . . . . 15 ⊢ 2 ∈ (0...4)
45	44, 22	eleqtrri 2859	. . . . . . . . . . . . . 14 ⊢ 2 ∈ 𝑉
46		prelpwi 5415	. . . . . . . . . . . . . . 15 ⊢ ((1 ∈ 𝑉 ∧ 2 ∈ 𝑉) → {1, 2} ∈ 𝒫 𝑉)
47		eleq1 2848	. . . . . . . . . . . . . . 15 ⊢ (𝑝 = {1, 2} → (𝑝 ∈ 𝒫 𝑉 ↔ {1, 2} ∈ 𝒫 𝑉))
48	46, 47	syl5ibrcom 250	. . . . . . . . . . . . . 14 ⊢ ((1 ∈ 𝑉 ∧ 2 ∈ 𝑉) → (𝑝 = {1, 2} → 𝑝 ∈ 𝒫 𝑉))
49	30, 45, 48	mp2an 705	. . . . . . . . . . . . 13 ⊢ (𝑝 = {1, 2} → 𝑝 ∈ 𝒫 𝑉)
50		fveq2 6874	. . . . . . . . . . . . . 14 ⊢ (𝑝 = {1, 2} → (♯‘𝑝) = (♯‘{1, 2}))
51		1ne2 12508	. . . . . . . . . . . . . . 15 ⊢ 1 ≠ 2
52		1nn 12301	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ ℕ
53		2nn 12371	. . . . . . . . . . . . . . . 16 ⊢ 2 ∈ ℕ
54		hashprg 14492	. . . . . . . . . . . . . . . 16 ⊢ ((1 ∈ ℕ ∧ 2 ∈ ℕ) → (1 ≠ 2 ↔ (♯‘{1, 2}) = 2))
55	52, 53, 54	mp2an 705	. . . . . . . . . . . . . . 15 ⊢ (1 ≠ 2 ↔ (♯‘{1, 2}) = 2)
56	51, 55	mpbi 233	. . . . . . . . . . . . . 14 ⊢ (♯‘{1, 2}) = 2
57	50, 56	eqtrdi 2811	. . . . . . . . . . . . 13 ⊢ (𝑝 = {1, 2} → (♯‘𝑝) = 2)
58	49, 57	jca 521	. . . . . . . . . . . 12 ⊢ (𝑝 = {1, 2} → (𝑝 ∈ 𝒫 𝑉 ∧ (♯‘𝑝) = 2))
59	38, 58	jaoi 871	. . . . . . . . . . 11 ⊢ ((𝑝 = {0, 1} ∨ 𝑝 = {1, 2}) → (𝑝 ∈ 𝒫 𝑉 ∧ (♯‘𝑝) = 2))
60	13, 59	sylbi 220	. . . . . . . . . 10 ⊢ (𝑝 ∈ {{0, 1}, {1, 2}} → (𝑝 ∈ 𝒫 𝑉 ∧ (♯‘𝑝) = 2))
61	12	elpr 4609	. . . . . . . . . . 11 ⊢ (𝑝 ∈ {{2, 0}, {0, 3}} ↔ (𝑝 = {2, 0} ∨ 𝑝 = {0, 3}))
62		prelpwi 5415	. . . . . . . . . . . . . . 15 ⊢ ((2 ∈ 𝑉 ∧ 0 ∈ 𝑉) → {2, 0} ∈ 𝒫 𝑉)
63		eleq1 2848	. . . . . . . . . . . . . . 15 ⊢ (𝑝 = {2, 0} → (𝑝 ∈ 𝒫 𝑉 ↔ {2, 0} ∈ 𝒫 𝑉))
64	62, 63	syl5ibrcom 250	. . . . . . . . . . . . . 14 ⊢ ((2 ∈ 𝑉 ∧ 0 ∈ 𝑉) → (𝑝 = {2, 0} → 𝑝 ∈ 𝒫 𝑉))
65	45, 23, 64	mp2an 705	. . . . . . . . . . . . 13 ⊢ (𝑝 = {2, 0} → 𝑝 ∈ 𝒫 𝑉)
66		fveq2 6874	. . . . . . . . . . . . . 14 ⊢ (𝑝 = {2, 0} → (♯‘𝑝) = (♯‘{2, 0}))
67		2ne0 12404	. . . . . . . . . . . . . . 15 ⊢ 2 ≠ 0
68		2z 12683	. . . . . . . . . . . . . . . 16 ⊢ 2 ∈ ℤ
69		0z 12659	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ ℤ
70		hashprg 14492	. . . . . . . . . . . . . . . 16 ⊢ ((2 ∈ ℤ ∧ 0 ∈ ℤ) → (2 ≠ 0 ↔ (♯‘{2, 0}) = 2))
71	68, 69, 70	mp2an 705	. . . . . . . . . . . . . . 15 ⊢ (2 ≠ 0 ↔ (♯‘{2, 0}) = 2)
72	67, 71	mpbi 233	. . . . . . . . . . . . . 14 ⊢ (♯‘{2, 0}) = 2
73	66, 72	eqtrdi 2811	. . . . . . . . . . . . 13 ⊢ (𝑝 = {2, 0} → (♯‘𝑝) = 2)
74	65, 73	jca 521	. . . . . . . . . . . 12 ⊢ (𝑝 = {2, 0} → (𝑝 ∈ 𝒫 𝑉 ∧ (♯‘𝑝) = 2))
75		3nn0 12579	. . . . . . . . . . . . . . . 16 ⊢ 3 ∈ ℕ₀
76		3re 12378	. . . . . . . . . . . . . . . . 17 ⊢ 3 ∈ ℝ
77		3lt4 12474	. . . . . . . . . . . . . . . . 17 ⊢ 3 < 4
78	76, 17, 77	ltleii 11390	. . . . . . . . . . . . . . . 16 ⊢ 3 ≤ 4
79		elfz2nn0 13706	. . . . . . . . . . . . . . . 16 ⊢ (3 ∈ (0...4) ↔ (3 ∈ ℕ₀ ∧ 4 ∈ ℕ₀ ∧ 3 ≤ 4))
80	75, 15, 78, 79	mpbir3an 1360	. . . . . . . . . . . . . . 15 ⊢ 3 ∈ (0...4)
81	80, 22	eleqtrri 2859	. . . . . . . . . . . . . 14 ⊢ 3 ∈ 𝑉
82		prelpwi 5415	. . . . . . . . . . . . . . 15 ⊢ ((0 ∈ 𝑉 ∧ 3 ∈ 𝑉) → {0, 3} ∈ 𝒫 𝑉)
83		eleq1 2848	. . . . . . . . . . . . . . 15 ⊢ (𝑝 = {0, 3} → (𝑝 ∈ 𝒫 𝑉 ↔ {0, 3} ∈ 𝒫 𝑉))
84	82, 83	syl5ibrcom 250	. . . . . . . . . . . . . 14 ⊢ ((0 ∈ 𝑉 ∧ 3 ∈ 𝑉) → (𝑝 = {0, 3} → 𝑝 ∈ 𝒫 𝑉))
85	23, 81, 84	mp2an 705	. . . . . . . . . . . . 13 ⊢ (𝑝 = {0, 3} → 𝑝 ∈ 𝒫 𝑉)
86		fveq2 6874	. . . . . . . . . . . . . 14 ⊢ (𝑝 = {0, 3} → (♯‘𝑝) = (♯‘{0, 3}))
87		3ne0 12407	. . . . . . . . . . . . . . . 16 ⊢ 3 ≠ 0
88	87	necomi 3009	. . . . . . . . . . . . . . 15 ⊢ 0 ≠ 3
89		3z 12684	. . . . . . . . . . . . . . . 16 ⊢ 3 ∈ ℤ
90		hashprg 14492	. . . . . . . . . . . . . . . 16 ⊢ ((0 ∈ ℤ ∧ 3 ∈ ℤ) → (0 ≠ 3 ↔ (♯‘{0, 3}) = 2))
91	69, 89, 90	mp2an 705	. . . . . . . . . . . . . . 15 ⊢ (0 ≠ 3 ↔ (♯‘{0, 3}) = 2)
92	88, 91	mpbi 233	. . . . . . . . . . . . . 14 ⊢ (♯‘{0, 3}) = 2
93	86, 92	eqtrdi 2811	. . . . . . . . . . . . 13 ⊢ (𝑝 = {0, 3} → (♯‘𝑝) = 2)
94	85, 93	jca 521	. . . . . . . . . . . 12 ⊢ (𝑝 = {0, 3} → (𝑝 ∈ 𝒫 𝑉 ∧ (♯‘𝑝) = 2))
95	74, 94	jaoi 871	. . . . . . . . . . 11 ⊢ ((𝑝 = {2, 0} ∨ 𝑝 = {0, 3}) → (𝑝 ∈ 𝒫 𝑉 ∧ (♯‘𝑝) = 2))
96	61, 95	sylbi 220	. . . . . . . . . 10 ⊢ (𝑝 ∈ {{2, 0}, {0, 3}} → (𝑝 ∈ 𝒫 𝑉 ∧ (♯‘𝑝) = 2))
97	60, 96	jaoi 871	. . . . . . . . 9 ⊢ ((𝑝 ∈ {{0, 1}, {1, 2}} ∨ 𝑝 ∈ {{2, 0}, {0, 3}}) → (𝑝 ∈ 𝒫 𝑉 ∧ (♯‘𝑝) = 2))
98		elun 4100	. . . . . . . . 9 ⊢ (𝑝 ∈ ({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) ↔ (𝑝 ∈ {{0, 1}, {1, 2}} ∨ 𝑝 ∈ {{2, 0}, {0, 3}}))
99		fveqeq2 6883	. . . . . . . . . 10 ⊢ (𝑒 = 𝑝 → ((♯‘𝑒) = 2 ↔ (♯‘𝑝) = 2))
100	99	elrab 3645	. . . . . . . . 9 ⊢ (𝑝 ∈ {𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2} ↔ (𝑝 ∈ 𝒫 𝑉 ∧ (♯‘𝑝) = 2))
101	97, 98, 100	3imtr4i 295	. . . . . . . 8 ⊢ (𝑝 ∈ ({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) → 𝑝 ∈ {𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2})
102	101	ssriv 3935	. . . . . . 7 ⊢ ({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) ⊆ {𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2}
103	11, 102	sstrdi 3943	. . . . . 6 ⊢ (ran 𝐸 ⊆ ({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) → ran 𝐸 ⊆ {𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2})
104	103	anim2i 629	. . . . 5 ⊢ ((𝐸 Fn dom 𝐸 ∧ ran 𝐸 ⊆ ({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}})) → (𝐸 Fn dom 𝐸 ∧ ran 𝐸 ⊆ {𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2}))
105		df-f 6532	. . . . 5 ⊢ (𝐸:dom 𝐸⟶({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) ↔ (𝐸 Fn dom 𝐸 ∧ ran 𝐸 ⊆ ({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}})))
106		df-f 6532	. . . . 5 ⊢ (𝐸:dom 𝐸⟶{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2} ↔ (𝐸 Fn dom 𝐸 ∧ ran 𝐸 ⊆ {𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2}))
107	104, 105, 106	3imtr4i 295	. . . 4 ⊢ (𝐸:dom 𝐸⟶({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) → 𝐸:dom 𝐸⟶{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2})
108	107	anim1i 627	. . 3 ⊢ ((𝐸:dom 𝐸⟶({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) ∧ ∀𝑥∃𝑦 𝑦𝐸𝑥) → (𝐸:dom 𝐸⟶{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2} ∧ ∀𝑥∃𝑦 𝑦𝐸𝑥))
109		dff12 6766	. . 3 ⊢ (𝐸:dom 𝐸–1-1→({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) ↔ (𝐸:dom 𝐸⟶({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) ∧ ∀𝑥∃*𝑦 𝑦𝐸𝑥))
110		dff12 6766	. . 3 ⊢ (𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2} ↔ (𝐸:dom 𝐸⟶{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2} ∧ ∀𝑥∃*𝑦 𝑦𝐸𝑥))
111	108, 109, 110	3imtr4i 295	. 2 ⊢ (𝐸:dom 𝐸–1-1→({{0, 1}, {1, 2}} ∪ {{2, 0}, {0, 3}}) → 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2})
112	9, 10, 111	mp2b 10	1 ⊢ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2}

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∨ wo 861 ∧ w3a 1103 ∀wal 1568 = wceq 1570 ∈ wcel 2145 ∃*wmo 2562 ≠ wne 2955 {crab 3412 Vcvv 3450 ∪ cun 3897 ⊆ wss 3899 𝒫 cpw 4557 {cpr 4586 class class class wbr 5103 dom cdm 5648 ran crn 5649 Fn wfn 6523 ⟶wf 6524 –1-1→wf1 6525 –1-1-onto→wf1o 6527 ‘cfv 6528 (class class class)co 7409 0cc0 11157 1c1 11158 ≤ cle 11301 ℕcn 12290 2c2 12352 3c3 12353 4c4 12354 ℕ₀cn0 12561 ℤcz 12648 ...cfz 13594 ♯chash 14427 ⟨“cs4 14947

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-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7735 ax-cnex 11213 ax-resscn 11214 ax-1cn 11215 ax-icn 11216 ax-addcl 11217 ax-addrcl 11218 ax-mulcl 11219 ax-mulrcl 11220 ax-mulcom 11221 ax-addass 11222 ax-mulass 11223 ax-distr 11224 ax-i2m1 11225 ax-1ne0 11226 ax-1rid 11227 ax-rnegex 11228 ax-rrecex 11229 ax-cnre 11230 ax-pre-lttri 11231 ax-pre-lttrn 11232 ax-pre-ltadd 11233 ax-pre-mulgt0 11234

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-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6294 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6484 df-fun 6530 df-fn 6531 df-f 6532 df-f1 6533 df-fo 6534 df-f1o 6535 df-fv 6536 df-riota 7366 df-ov 7412 df-oprab 7413 df-mpo 7414 df-om 7862 df-1st 7985 df-2nd 7986 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-1o 8455 df-oadd 8459 df-er 8696 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-dju 9939 df-card 9977 df-pnf 11302 df-mnf 11303 df-xr 11304 df-ltxr 11305 df-le 11306 df-sub 11500 df-neg 11501 df-nn 12291 df-2 12360 df-3 12361 df-4 12362 df-n0 12562 df-z 12649 df-uz 12921 df-fz 13595 df-fzo 13743 df-hash 14428 df-word 14612 df-concat 14669 df-s1 14696 df-s2 14952 df-s3 14953 df-s4 14954

This theorem is used by: usgrexmpl 29763

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