rhmsubcsetclem2 - Mathbox for Alexander van der Vekens

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Theorem rhmsubcsetclem2 44646

Description: Lemma 2 for rhmsubcsetc 44647. (Contributed by AV, 9-Mar-2020.)

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

**Assertion**
Ref	Expression
rhmsubcsetclem2	⊢ ((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 rhmsubcsetclem2**
Step	Hyp	Ref	Expression
1		simpl 486	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝜑)
2	1	adantr 484	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝜑)
3	2	adantr 484	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝜑)
4		simpr 488	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵))
5	4	adantr 484	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵))
6		simpr 488	. . . . . . 7 ⊢ ((𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔 ∈ (𝑦𝐻𝑧))
7	6	adantl 485	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑔 ∈ (𝑦𝐻𝑧))
8		rhmsubcsetc.h	. . . . . . 7 ⊢ (𝜑 → 𝐻 = ( RingHom ↾ (𝐵 × 𝐵)))
9	8	rhmresel 44634	. . . . . 6 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔 ∈ (𝑦 RingHom 𝑧))
10	3, 5, 7, 9	syl3anc 1368	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑔 ∈ (𝑦 RingHom 𝑧))
11		simpr 488	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑥 ∈ 𝐵)
12		simpl 486	. . . . . . . 8 ⊢ ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → 𝑦 ∈ 𝐵)
13	11, 12	anim12i 615	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
14	13	adantr 484	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
15		simprl 770	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑓 ∈ (𝑥𝐻𝑦))
16	8	rhmresel 44634	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝑓 ∈ (𝑥 RingHom 𝑦))
17	3, 14, 15, 16	syl3anc 1368	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑓 ∈ (𝑥 RingHom 𝑦))
18		rhmco 19485	. . . . 5 ⊢ ((𝑔 ∈ (𝑦 RingHom 𝑧) ∧ 𝑓 ∈ (𝑥 RingHom 𝑦)) → (𝑔 ∘ 𝑓) ∈ (𝑥 RingHom 𝑧))
19	10, 17, 18	syl2anc 587	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑔 ∘ 𝑓) ∈ (𝑥 RingHom 𝑧))
20		rhmsubcsetc.c	. . . . 5 ⊢ 𝐶 = (ExtStrCat‘𝑈)
21		rhmsubcsetc.u	. . . . . 6 ⊢ (𝜑 → 𝑈 ∈ 𝑉)
22	21	ad3antrrr 729	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑈 ∈ 𝑉)
23		eqid 2798	. . . . 5 ⊢ (comp‘𝐶) = (comp‘𝐶)
24		rhmsubcsetc.b	. . . . . . . . . 10 ⊢ (𝜑 → 𝐵 = (Ring ∩ 𝑈))
25	24	eleq2d 2875	. . . . . . . . 9 ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↔ 𝑥 ∈ (Ring ∩ 𝑈)))
26		elinel2 4123	. . . . . . . . 9 ⊢ (𝑥 ∈ (Ring ∩ 𝑈) → 𝑥 ∈ 𝑈)
27	25, 26	syl6bi 256	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ 𝐵 → 𝑥 ∈ 𝑈))
28	27	imp 410	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑥 ∈ 𝑈)
29	28	adantr 484	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑥 ∈ 𝑈)
30	29	adantr 484	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑥 ∈ 𝑈)
31	24	eleq2d 2875	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑦 ∈ 𝐵 ↔ 𝑦 ∈ (Ring ∩ 𝑈)))
32		elinel2 4123	. . . . . . . . . . 11 ⊢ (𝑦 ∈ (Ring ∩ 𝑈) → 𝑦 ∈ 𝑈)
33	31, 32	syl6bi 256	. . . . . . . . . 10 ⊢ (𝜑 → (𝑦 ∈ 𝐵 → 𝑦 ∈ 𝑈))
34	33	adantr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑦 ∈ 𝐵 → 𝑦 ∈ 𝑈))
35	34	com12 32	. . . . . . . 8 ⊢ (𝑦 ∈ 𝐵 → ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑦 ∈ 𝑈))
36	35	adantr 484	. . . . . . 7 ⊢ ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑦 ∈ 𝑈))
37	36	impcom 411	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑦 ∈ 𝑈)
38	37	adantr 484	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑦 ∈ 𝑈)
39	24	eleq2d 2875	. . . . . . . . . 10 ⊢ (𝜑 → (𝑧 ∈ 𝐵 ↔ 𝑧 ∈ (Ring ∩ 𝑈)))
40		elinel2 4123	. . . . . . . . . 10 ⊢ (𝑧 ∈ (Ring ∩ 𝑈) → 𝑧 ∈ 𝑈)
41	39, 40	syl6bi 256	. . . . . . . . 9 ⊢ (𝜑 → (𝑧 ∈ 𝐵 → 𝑧 ∈ 𝑈))
42	41	adantr 484	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑧 ∈ 𝐵 → 𝑧 ∈ 𝑈))
43	42	adantld 494	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → 𝑧 ∈ 𝑈))
44	43	imp 410	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑧 ∈ 𝑈)
45	44	adantr 484	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑧 ∈ 𝑈)
46		eqid 2798	. . . . 5 ⊢ (Base‘𝑥) = (Base‘𝑥)
47		eqid 2798	. . . . 5 ⊢ (Base‘𝑦) = (Base‘𝑦)
48		eqid 2798	. . . . 5 ⊢ (Base‘𝑧) = (Base‘𝑧)
49		simprl 770	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) → 𝜑)
50	49	adantr 484	. . . . . . . . . . . . . 14 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝜑)
51	11	anim1i 617	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ 𝑦 ∈ 𝐵) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
52	51	ancoms 462	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
53	52	adantr 484	. . . . . . . . . . . . . 14 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
54		simpr 488	. . . . . . . . . . . . . 14 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝑓 ∈ (𝑥𝐻𝑦))
55	50, 53, 54, 16	syl3anc 1368	. . . . . . . . . . . . 13 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝑓 ∈ (𝑥 RingHom 𝑦))
56	46, 47	rhmf 19474	. . . . . . . . . . . . 13 ⊢ (𝑓 ∈ (𝑥 RingHom 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 416	. . . . . . . . . . 11 ⊢ ((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) → (𝑓 ∈ (𝑥𝐻𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦)))
59	58	ex 416	. . . . . . . . . 10 ⊢ (𝑦 ∈ 𝐵 → ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑓 ∈ (𝑥𝐻𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))))
60	59	adantr 484	. . . . . . . . 9 ⊢ ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑓 ∈ (𝑥𝐻𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))))
61	60	impcom 411	. . . . . . . 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 484	. . . . . 6 ⊢ ((𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦)))
64	63	impcom 411	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))
65	9	3expa 1115	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔 ∈ (𝑦 RingHom 𝑧))
66	47, 48	rhmf 19474	. . . . . . . . . 10 ⊢ (𝑔 ∈ (𝑦 RingHom 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 416	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑔 ∈ (𝑦𝐻𝑧) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧)))
69	68	adantlr 714	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑔 ∈ (𝑦𝐻𝑧) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧)))
70	69	adantld 494	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ((𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧)))
71	70	imp 410	. . . . 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 17372	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) = (𝑔 ∘ 𝑓))
73	8	adantr 484	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝐻 = ( RingHom ↾ (𝐵 × 𝐵)))
74	73	oveqdr 7163	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥𝐻𝑧) = (𝑥( RingHom ↾ (𝐵 × 𝐵))𝑧))
75		ovres 7294	. . . . . . 7 ⊢ ((𝑥 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → (𝑥( RingHom ↾ (𝐵 × 𝐵))𝑧) = (𝑥 RingHom 𝑧))
76	75	ad2ant2l 745	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥( RingHom ↾ (𝐵 × 𝐵))𝑧) = (𝑥 RingHom 𝑧))
77	74, 76	eqtrd 2833	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥𝐻𝑧) = (𝑥 RingHom 𝑧))
78	77	adantr 484	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑥𝐻𝑧) = (𝑥 RingHom 𝑧))
79	19, 72, 78	3eltr4d 2905	. . 3 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) ∈ (𝑥𝐻𝑧))
80	79	ralrimivva 3156	. 2 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ∀𝑓 ∈ (𝑥𝐻𝑦)∀𝑔 ∈ (𝑦𝐻𝑧)(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) ∈ (𝑥𝐻𝑧))
81	80	ralrimivva 3156	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 399 = wceq 1538 ∈ wcel 2111 ∀wral 3106 ∩ cin 3880 ⟨cop 4531 × cxp 5517 ↾ cres 5521 ∘ ccom 5523 ⟶wf 6320 ‘cfv 6324 (class class class)co 7135 Basecbs 16475 compcco 16569 ExtStrCatcestrc 17364 Ringcrg 19290 RingHom crh 19460

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603

This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-int 4839 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-1st 7671 df-2nd 7672 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-1o 8085 df-oadd 8089 df-er 8272 df-map 8391 df-en 8493 df-dom 8494 df-sdom 8495 df-fin 8496 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-nn 11626 df-2 11688 df-3 11689 df-4 11690 df-5 11691 df-6 11692 df-7 11693 df-8 11694 df-9 11695 df-n0 11886 df-z 11970 df-dec 12087 df-uz 12232 df-fz 12886 df-struct 16477 df-ndx 16478 df-slot 16479 df-base 16481 df-sets 16482 df-plusg 16570 df-hom 16581 df-cco 16582 df-0g 16707 df-estrc 17365 df-mgm 17844 df-sgrp 17893 df-mnd 17904 df-mhm 17948 df-grp 18098 df-ghm 18348 df-mgp 19233 df-ur 19245 df-ring 19292 df-rnghom 19463

This theorem is referenced by: rhmsubcsetc 44647

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