rnghmsubcsetclem2 - Mathbox for Alexander van der Vekens

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Theorem rnghmsubcsetclem2 45545

Description: Lemma 2 for rnghmsubcsetc 45546. (Contributed by AV, 9-Mar-2020.)

**Hypotheses**
Ref	Expression
rnghmsubcsetc.c	⊢ 𝐶 = (ExtStrCat‘𝑈)
rnghmsubcsetc.u	⊢ (𝜑 → 𝑈 ∈ 𝑉)
rnghmsubcsetc.b	⊢ (𝜑 → 𝐵 = (Rng ∩ 𝑈))
rnghmsubcsetc.h	⊢ (𝜑 → 𝐻 = ( RngHomo ↾ (𝐵 × 𝐵)))

**Assertion**
Ref	Expression
rnghmsubcsetclem2	⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → ∀𝑦 ∈ 𝐵 ∀𝑧 ∈ 𝐵 ∀𝑓 ∈ (𝑥𝐻𝑦)∀𝑔 ∈ (𝑦𝐻𝑧)(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) ∈ (𝑥𝐻𝑧))

Distinct variable groups: 𝐵,𝑓,𝑔,𝑥,𝑦,𝑧 𝐶,𝑓,𝑔,𝑥,𝑦,𝑧 𝑓,𝐻,𝑔,𝑥,𝑦,𝑧 𝑥,𝑈,𝑦 𝜑,𝑓,𝑔,𝑥,𝑦,𝑧 Allowed substitution hints: 𝑈(𝑧,𝑓,𝑔) 𝑉(𝑥,𝑦,𝑧,𝑓,𝑔)

**Proof of Theorem rnghmsubcsetclem2**
Step	Hyp	Ref	Expression
1		simpl 483	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝜑)
2	1	adantr 481	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝜑)
3	2	adantr 481	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝜑)
4		simpr 485	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵))
5	4	adantr 481	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵))
6		simpr 485	. . . . . . 7 ⊢ ((𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔 ∈ (𝑦𝐻𝑧))
7	6	adantl 482	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑔 ∈ (𝑦𝐻𝑧))
8		rnghmsubcsetc.h	. . . . . . 7 ⊢ (𝜑 → 𝐻 = ( RngHomo ↾ (𝐵 × 𝐵)))
9	8	rnghmresel 45533	. . . . . 6 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔 ∈ (𝑦 RngHomo 𝑧))
10	3, 5, 7, 9	syl3anc 1370	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑔 ∈ (𝑦 RngHomo 𝑧))
11		simpr 485	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑥 ∈ 𝐵)
12		simpl 483	. . . . . . . 8 ⊢ ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → 𝑦 ∈ 𝐵)
13	11, 12	anim12i 613	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
14	13	adantr 481	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
15		simprl 768	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑓 ∈ (𝑥𝐻𝑦))
16	8	rnghmresel 45533	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝑓 ∈ (𝑥 RngHomo 𝑦))
17	3, 14, 15, 16	syl3anc 1370	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑓 ∈ (𝑥 RngHomo 𝑦))
18		rnghmco 45476	. . . . 5 ⊢ ((𝑔 ∈ (𝑦 RngHomo 𝑧) ∧ 𝑓 ∈ (𝑥 RngHomo 𝑦)) → (𝑔 ∘ 𝑓) ∈ (𝑥 RngHomo 𝑧))
19	10, 17, 18	syl2anc 584	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑔 ∘ 𝑓) ∈ (𝑥 RngHomo 𝑧))
20		rnghmsubcsetc.c	. . . . 5 ⊢ 𝐶 = (ExtStrCat‘𝑈)
21		rnghmsubcsetc.u	. . . . . 6 ⊢ (𝜑 → 𝑈 ∈ 𝑉)
22	21	ad3antrrr 727	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑈 ∈ 𝑉)
23		eqid 2739	. . . . 5 ⊢ (comp‘𝐶) = (comp‘𝐶)
24		rnghmsubcsetc.b	. . . . . . . . . 10 ⊢ (𝜑 → 𝐵 = (Rng ∩ 𝑈))
25	24	eleq2d 2825	. . . . . . . . 9 ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↔ 𝑥 ∈ (Rng ∩ 𝑈)))
26		elinel2 4131	. . . . . . . . 9 ⊢ (𝑥 ∈ (Rng ∩ 𝑈) → 𝑥 ∈ 𝑈)
27	25, 26	syl6bi 252	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ 𝐵 → 𝑥 ∈ 𝑈))
28	27	imp 407	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑥 ∈ 𝑈)
29	28	adantr 481	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑥 ∈ 𝑈)
30	29	adantr 481	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑥 ∈ 𝑈)
31	24	eleq2d 2825	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑦 ∈ 𝐵 ↔ 𝑦 ∈ (Rng ∩ 𝑈)))
32		elinel2 4131	. . . . . . . . . . 11 ⊢ (𝑦 ∈ (Rng ∩ 𝑈) → 𝑦 ∈ 𝑈)
33	31, 32	syl6bi 252	. . . . . . . . . 10 ⊢ (𝜑 → (𝑦 ∈ 𝐵 → 𝑦 ∈ 𝑈))
34	33	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑦 ∈ 𝐵 → 𝑦 ∈ 𝑈))
35	34	com12 32	. . . . . . . 8 ⊢ (𝑦 ∈ 𝐵 → ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑦 ∈ 𝑈))
36	35	adantr 481	. . . . . . 7 ⊢ ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑦 ∈ 𝑈))
37	36	impcom 408	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑦 ∈ 𝑈)
38	37	adantr 481	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑦 ∈ 𝑈)
39	24	eleq2d 2825	. . . . . . . . . 10 ⊢ (𝜑 → (𝑧 ∈ 𝐵 ↔ 𝑧 ∈ (Rng ∩ 𝑈)))
40		elinel2 4131	. . . . . . . . . 10 ⊢ (𝑧 ∈ (Rng ∩ 𝑈) → 𝑧 ∈ 𝑈)
41	39, 40	syl6bi 252	. . . . . . . . 9 ⊢ (𝜑 → (𝑧 ∈ 𝐵 → 𝑧 ∈ 𝑈))
42	41	adantr 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑧 ∈ 𝐵 → 𝑧 ∈ 𝑈))
43	42	adantld 491	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → 𝑧 ∈ 𝑈))
44	43	imp 407	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑧 ∈ 𝑈)
45	44	adantr 481	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑧 ∈ 𝑈)
46		eqid 2739	. . . . 5 ⊢ (Base‘𝑥) = (Base‘𝑥)
47		eqid 2739	. . . . 5 ⊢ (Base‘𝑦) = (Base‘𝑦)
48		eqid 2739	. . . . 5 ⊢ (Base‘𝑧) = (Base‘𝑧)
49		simprl 768	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) → 𝜑)
50	49	adantr 481	. . . . . . . . . . . . . 14 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝜑)
51	11	anim1i 615	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ 𝑦 ∈ 𝐵) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
52	51	ancoms 459	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
53	52	adantr 481	. . . . . . . . . . . . . 14 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
54		simpr 485	. . . . . . . . . . . . . 14 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝑓 ∈ (𝑥𝐻𝑦))
55	50, 53, 54, 16	syl3anc 1370	. . . . . . . . . . . . 13 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝑓 ∈ (𝑥 RngHomo 𝑦))
56	46, 47	rnghmf 45468	. . . . . . . . . . . . 13 ⊢ (𝑓 ∈ (𝑥 RngHomo 𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))
57	55, 56	syl 17	. . . . . . . . . . . 12 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))
58	57	ex 413	. . . . . . . . . . 11 ⊢ ((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) → (𝑓 ∈ (𝑥𝐻𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦)))
59	58	ex 413	. . . . . . . . . 10 ⊢ (𝑦 ∈ 𝐵 → ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑓 ∈ (𝑥𝐻𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))))
60	59	adantr 481	. . . . . . . . 9 ⊢ ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑓 ∈ (𝑥𝐻𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))))
61	60	impcom 408	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑓 ∈ (𝑥𝐻𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦)))
62	61	com12 32	. . . . . . 7 ⊢ (𝑓 ∈ (𝑥𝐻𝑦) → (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦)))
63	62	adantr 481	. . . . . 6 ⊢ ((𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦)))
64	63	impcom 408	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))
65	9	3expa 1117	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔 ∈ (𝑦 RngHomo 𝑧))
66	47, 48	rnghmf 45468	. . . . . . . . . 10 ⊢ (𝑔 ∈ (𝑦 RngHomo 𝑧) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧))
67	65, 66	syl 17	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧))
68	67	ex 413	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑔 ∈ (𝑦𝐻𝑧) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧)))
69	68	adantlr 712	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑔 ∈ (𝑦𝐻𝑧) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧)))
70	69	adantld 491	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ((𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧)))
71	70	imp 407	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧))
72	20, 22, 23, 30, 38, 45, 46, 47, 48, 64, 71	estrcco 17855	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) = (𝑔 ∘ 𝑓))
73	8	adantr 481	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝐻 = ( RngHomo ↾ (𝐵 × 𝐵)))
74	73	oveqdr 7312	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥𝐻𝑧) = (𝑥( RngHomo ↾ (𝐵 × 𝐵))𝑧))
75		ovres 7447	. . . . . . 7 ⊢ ((𝑥 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → (𝑥( RngHomo ↾ (𝐵 × 𝐵))𝑧) = (𝑥 RngHomo 𝑧))
76	75	ad2ant2l 743	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥( RngHomo ↾ (𝐵 × 𝐵))𝑧) = (𝑥 RngHomo 𝑧))
77	74, 76	eqtrd 2779	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥𝐻𝑧) = (𝑥 RngHomo 𝑧))
78	77	adantr 481	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑥𝐻𝑧) = (𝑥 RngHomo 𝑧))
79	19, 72, 78	3eltr4d 2855	. . 3 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) ∈ (𝑥𝐻𝑧))
80	79	ralrimivva 3124	. 2 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ∀𝑓 ∈ (𝑥𝐻𝑦)∀𝑔 ∈ (𝑦𝐻𝑧)(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) ∈ (𝑥𝐻𝑧))
81	80	ralrimivva 3124	1 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → ∀𝑦 ∈ 𝐵 ∀𝑧 ∈ 𝐵 ∀𝑓 ∈ (𝑥𝐻𝑦)∀𝑔 ∈ (𝑦𝐻𝑧)(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) ∈ (𝑥𝐻𝑧))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 396 = wceq 1539 ∈ wcel 2107 ∀wral 3065 ∩ cin 3887 ⟨cop 4568 × cxp 5588 ↾ cres 5592 ∘ ccom 5594 ⟶wf 6433 ‘cfv 6437 (class class class)co 7284 Basecbs 16921 compcco 16983 ExtStrCatcestrc 17847 Rngcrng 45443 RngHomo crngh 45454

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2710 ax-rep 5210 ax-sep 5224 ax-nul 5231 ax-pow 5289 ax-pr 5353 ax-un 7597 ax-cnex 10936 ax-resscn 10937 ax-1cn 10938 ax-icn 10939 ax-addcl 10940 ax-addrcl 10941 ax-mulcl 10942 ax-mulrcl 10943 ax-mulcom 10944 ax-addass 10945 ax-mulass 10946 ax-distr 10947 ax-i2m1 10948 ax-1ne0 10949 ax-1rid 10950 ax-rnegex 10951 ax-rrecex 10952 ax-cnre 10953 ax-pre-lttri 10954 ax-pre-lttrn 10955 ax-pre-ltadd 10956 ax-pre-mulgt0 10957

This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-rmo 3072 df-reu 3073 df-rab 3074 df-v 3435 df-sbc 3718 df-csb 3834 df-dif 3891 df-un 3893 df-in 3895 df-ss 3905 df-pss 3907 df-nul 4258 df-if 4461 df-pw 4536 df-sn 4563 df-pr 4565 df-tp 4567 df-op 4569 df-uni 4841 df-iun 4927 df-br 5076 df-opab 5138 df-mpt 5159 df-tr 5193 df-id 5490 df-eprel 5496 df-po 5504 df-so 5505 df-fr 5545 df-we 5547 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-pred 6206 df-ord 6273 df-on 6274 df-lim 6275 df-suc 6276 df-iota 6395 df-fun 6439 df-fn 6440 df-f 6441 df-f1 6442 df-fo 6443 df-f1o 6444 df-fv 6445 df-riota 7241 df-ov 7287 df-oprab 7288 df-mpo 7289 df-om 7722 df-1st 7840 df-2nd 7841 df-frecs 8106 df-wrecs 8137 df-recs 8211 df-rdg 8250 df-1o 8306 df-er 8507 df-map 8626 df-en 8743 df-dom 8744 df-sdom 8745 df-fin 8746 df-pnf 11020 df-mnf 11021 df-xr 11022 df-ltxr 11023 df-le 11024 df-sub 11216 df-neg 11217 df-nn 11983 df-2 12045 df-3 12046 df-4 12047 df-5 12048 df-6 12049 df-7 12050 df-8 12051 df-9 12052 df-n0 12243 df-z 12329 df-dec 12447 df-uz 12592 df-fz 13249 df-struct 16857 df-sets 16874 df-slot 16892 df-ndx 16904 df-base 16922 df-plusg 16984 df-hom 16995 df-cco 16996 df-0g 17161 df-estrc 17848 df-mgm 18335 df-sgrp 18384 df-mnd 18395 df-mhm 18439 df-grp 18589 df-ghm 18841 df-abl 19398 df-mgp 19730 df-mgmhm 45344 df-rng0 45444 df-rnghomo 45456

This theorem is referenced by: rnghmsubcsetc 45546

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