rnghmsubcsetclem2 - Mathbox for Alexander van der Vekens

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Theorem rnghmsubcsetclem2 44267

Description: Lemma 2 for rnghmsubcsetc 44268. (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 485	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝜑)
2	1	adantr 483	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝜑)
3	2	adantr 483	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝜑)
4		simpr 487	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵))
5	4	adantr 483	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵))
6		simpr 487	. . . . . . 7 ⊢ ((𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔 ∈ (𝑦𝐻𝑧))
7	6	adantl 484	. . . . . 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 44255	. . . . . 6 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔 ∈ (𝑦 RngHomo 𝑧))
10	3, 5, 7, 9	syl3anc 1367	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑔 ∈ (𝑦 RngHomo 𝑧))
11		simpr 487	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑥 ∈ 𝐵)
12		simpl 485	. . . . . . . 8 ⊢ ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → 𝑦 ∈ 𝐵)
13	11, 12	anim12i 614	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
14	13	adantr 483	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
15		simprl 769	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑓 ∈ (𝑥𝐻𝑦))
16	8	rnghmresel 44255	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝑓 ∈ (𝑥 RngHomo 𝑦))
17	3, 14, 15, 16	syl3anc 1367	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑓 ∈ (𝑥 RngHomo 𝑦))
18		rnghmco 44198	. . . . 5 ⊢ ((𝑔 ∈ (𝑦 RngHomo 𝑧) ∧ 𝑓 ∈ (𝑥 RngHomo 𝑦)) → (𝑔 ∘ 𝑓) ∈ (𝑥 RngHomo 𝑧))
19	10, 17, 18	syl2anc 586	. . . 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 728	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑈 ∈ 𝑉)
23		eqid 2821	. . . . 5 ⊢ (comp‘𝐶) = (comp‘𝐶)
24		rnghmsubcsetc.b	. . . . . . . . . 10 ⊢ (𝜑 → 𝐵 = (Rng ∩ 𝑈))
25	24	eleq2d 2898	. . . . . . . . 9 ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↔ 𝑥 ∈ (Rng ∩ 𝑈)))
26		elinel2 4173	. . . . . . . . 9 ⊢ (𝑥 ∈ (Rng ∩ 𝑈) → 𝑥 ∈ 𝑈)
27	25, 26	syl6bi 255	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ 𝐵 → 𝑥 ∈ 𝑈))
28	27	imp 409	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑥 ∈ 𝑈)
29	28	adantr 483	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑥 ∈ 𝑈)
30	29	adantr 483	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑥 ∈ 𝑈)
31	24	eleq2d 2898	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑦 ∈ 𝐵 ↔ 𝑦 ∈ (Rng ∩ 𝑈)))
32		elinel2 4173	. . . . . . . . . . 11 ⊢ (𝑦 ∈ (Rng ∩ 𝑈) → 𝑦 ∈ 𝑈)
33	31, 32	syl6bi 255	. . . . . . . . . 10 ⊢ (𝜑 → (𝑦 ∈ 𝐵 → 𝑦 ∈ 𝑈))
34	33	adantr 483	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑦 ∈ 𝐵 → 𝑦 ∈ 𝑈))
35	34	com12 32	. . . . . . . 8 ⊢ (𝑦 ∈ 𝐵 → ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑦 ∈ 𝑈))
36	35	adantr 483	. . . . . . 7 ⊢ ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝑦 ∈ 𝑈))
37	36	impcom 410	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑦 ∈ 𝑈)
38	37	adantr 483	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑦 ∈ 𝑈)
39	24	eleq2d 2898	. . . . . . . . . 10 ⊢ (𝜑 → (𝑧 ∈ 𝐵 ↔ 𝑧 ∈ (Rng ∩ 𝑈)))
40		elinel2 4173	. . . . . . . . . 10 ⊢ (𝑧 ∈ (Rng ∩ 𝑈) → 𝑧 ∈ 𝑈)
41	39, 40	syl6bi 255	. . . . . . . . 9 ⊢ (𝜑 → (𝑧 ∈ 𝐵 → 𝑧 ∈ 𝑈))
42	41	adantr 483	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑧 ∈ 𝐵 → 𝑧 ∈ 𝑈))
43	42	adantld 493	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → 𝑧 ∈ 𝑈))
44	43	imp 409	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑧 ∈ 𝑈)
45	44	adantr 483	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑧 ∈ 𝑈)
46		eqid 2821	. . . . 5 ⊢ (Base‘𝑥) = (Base‘𝑥)
47		eqid 2821	. . . . 5 ⊢ (Base‘𝑦) = (Base‘𝑦)
48		eqid 2821	. . . . 5 ⊢ (Base‘𝑧) = (Base‘𝑧)
49		simprl 769	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) → 𝜑)
50	49	adantr 483	. . . . . . . . . . . . . 14 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝜑)
51	11	anim1i 616	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ 𝑦 ∈ 𝐵) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
52	51	ancoms 461	. . . . . . . . . . . . . . 15 ⊢ ((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
53	52	adantr 483	. . . . . . . . . . . . . 14 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵))
54		simpr 487	. . . . . . . . . . . . . 14 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝑓 ∈ (𝑥𝐻𝑦))
55	50, 53, 54, 16	syl3anc 1367	. . . . . . . . . . . . 13 ⊢ (((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) ∧ 𝑓 ∈ (𝑥𝐻𝑦)) → 𝑓 ∈ (𝑥 RngHomo 𝑦))
56	46, 47	rnghmf 44190	. . . . . . . . . . . . 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 415	. . . . . . . . . . 11 ⊢ ((𝑦 ∈ 𝐵 ∧ (𝜑 ∧ 𝑥 ∈ 𝐵)) → (𝑓 ∈ (𝑥𝐻𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦)))
59	58	ex 415	. . . . . . . . . 10 ⊢ (𝑦 ∈ 𝐵 → ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑓 ∈ (𝑥𝐻𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))))
60	59	adantr 483	. . . . . . . . 9 ⊢ ((𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑓 ∈ (𝑥𝐻𝑦) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))))
61	60	impcom 410	. . . . . . . 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 483	. . . . . 6 ⊢ ((𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦)))
64	63	impcom 410	. . . . 5 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → 𝑓:(Base‘𝑥)⟶(Base‘𝑦))
65	9	3expa 1114	. . . . . . . . . 10 ⊢ (((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔 ∈ (𝑦 RngHomo 𝑧))
66	47, 48	rnghmf 44190	. . . . . . . . . 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 415	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑔 ∈ (𝑦𝐻𝑧) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧)))
69	68	adantlr 713	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑔 ∈ (𝑦𝐻𝑧) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧)))
70	69	adantld 493	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ((𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧)) → 𝑔:(Base‘𝑦)⟶(Base‘𝑧)))
71	70	imp 409	. . . . 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 17380	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) = (𝑔 ∘ 𝑓))
73	8	adantr 483	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝐻 = ( RngHomo ↾ (𝐵 × 𝐵)))
74	73	oveqdr 7184	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥𝐻𝑧) = (𝑥( RngHomo ↾ (𝐵 × 𝐵))𝑧))
75		ovres 7314	. . . . . . 7 ⊢ ((𝑥 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → (𝑥( RngHomo ↾ (𝐵 × 𝐵))𝑧) = (𝑥 RngHomo 𝑧))
76	75	ad2ant2l 744	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥( RngHomo ↾ (𝐵 × 𝐵))𝑧) = (𝑥 RngHomo 𝑧))
77	74, 76	eqtrd 2856	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥𝐻𝑧) = (𝑥 RngHomo 𝑧))
78	77	adantr 483	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑥𝐻𝑧) = (𝑥 RngHomo 𝑧))
79	19, 72, 78	3eltr4d 2928	. . 3 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) ∧ (𝑓 ∈ (𝑥𝐻𝑦) ∧ 𝑔 ∈ (𝑦𝐻𝑧))) → (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) ∈ (𝑥𝐻𝑧))
80	79	ralrimivva 3191	. 2 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ∀𝑓 ∈ (𝑥𝐻𝑦)∀𝑔 ∈ (𝑦𝐻𝑧)(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐶)𝑧)𝑓) ∈ (𝑥𝐻𝑧))
81	80	ralrimivva 3191	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 398 = wceq 1537 ∈ wcel 2114 ∀wral 3138 ∩ cin 3935 ⟨cop 4573 × cxp 5553 ↾ cres 5557 ∘ ccom 5559 ⟶wf 6351 ‘cfv 6355 (class class class)co 7156 Basecbs 16483 compcco 16577 ExtStrCatcestrc 17372 Rngcrng 44165 RngHomo crngh 44176

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5190 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614

This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-int 4877 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-1o 8102 df-oadd 8106 df-er 8289 df-map 8408 df-en 8510 df-dom 8511 df-sdom 8512 df-fin 8513 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-nn 11639 df-2 11701 df-3 11702 df-4 11703 df-5 11704 df-6 11705 df-7 11706 df-8 11707 df-9 11708 df-n0 11899 df-z 11983 df-dec 12100 df-uz 12245 df-fz 12894 df-struct 16485 df-ndx 16486 df-slot 16487 df-base 16489 df-sets 16490 df-plusg 16578 df-hom 16589 df-cco 16590 df-0g 16715 df-estrc 17373 df-mgm 17852 df-sgrp 17901 df-mnd 17912 df-mhm 17956 df-grp 18106 df-ghm 18356 df-abl 18909 df-mgp 19240 df-mgmhm 44066 df-rng0 44166 df-rnghomo 44178

This theorem is referenced by: rnghmsubcsetc 44268

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