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Theorem rngohomco 33391
Description: The composition of two ring homomorphisms is a ring homomorphism. (Contributed by Jeff Madsen, 16-Jun-2011.)
Assertion
Ref Expression
rngohomco (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → (𝐺𝐹) ∈ (𝑅 RngHom 𝑇))

Proof of Theorem rngohomco
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2626 . . . . . . 7 (1st𝑆) = (1st𝑆)
2 eqid 2626 . . . . . . 7 ran (1st𝑆) = ran (1st𝑆)
3 eqid 2626 . . . . . . 7 (1st𝑇) = (1st𝑇)
4 eqid 2626 . . . . . . 7 ran (1st𝑇) = ran (1st𝑇)
51, 2, 3, 4rngohomf 33383 . . . . . 6 ((𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → 𝐺:ran (1st𝑆)⟶ran (1st𝑇))
653expa 1262 . . . . 5 (((𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → 𝐺:ran (1st𝑆)⟶ran (1st𝑇))
763adantl1 1215 . . . 4 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → 𝐺:ran (1st𝑆)⟶ran (1st𝑇))
87adantrl 751 . . 3 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → 𝐺:ran (1st𝑆)⟶ran (1st𝑇))
9 eqid 2626 . . . . . . 7 (1st𝑅) = (1st𝑅)
10 eqid 2626 . . . . . . 7 ran (1st𝑅) = ran (1st𝑅)
119, 10, 1, 2rngohomf 33383 . . . . . 6 ((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → 𝐹:ran (1st𝑅)⟶ran (1st𝑆))
12113expa 1262 . . . . 5 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → 𝐹:ran (1st𝑅)⟶ran (1st𝑆))
13123adantl3 1217 . . . 4 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → 𝐹:ran (1st𝑅)⟶ran (1st𝑆))
1413adantrr 752 . . 3 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → 𝐹:ran (1st𝑅)⟶ran (1st𝑆))
15 fco 6017 . . 3 ((𝐺:ran (1st𝑆)⟶ran (1st𝑇) ∧ 𝐹:ran (1st𝑅)⟶ran (1st𝑆)) → (𝐺𝐹):ran (1st𝑅)⟶ran (1st𝑇))
168, 14, 15syl2anc 692 . 2 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → (𝐺𝐹):ran (1st𝑅)⟶ran (1st𝑇))
17 eqid 2626 . . . . . . 7 (2nd𝑅) = (2nd𝑅)
18 eqid 2626 . . . . . . 7 (GId‘(2nd𝑅)) = (GId‘(2nd𝑅))
1910, 17, 18rngo1cl 33356 . . . . . 6 (𝑅 ∈ RingOps → (GId‘(2nd𝑅)) ∈ ran (1st𝑅))
20193ad2ant1 1080 . . . . 5 ((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) → (GId‘(2nd𝑅)) ∈ ran (1st𝑅))
2120adantr 481 . . . 4 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → (GId‘(2nd𝑅)) ∈ ran (1st𝑅))
22 fvco3 6233 . . . 4 ((𝐹:ran (1st𝑅)⟶ran (1st𝑆) ∧ (GId‘(2nd𝑅)) ∈ ran (1st𝑅)) → ((𝐺𝐹)‘(GId‘(2nd𝑅))) = (𝐺‘(𝐹‘(GId‘(2nd𝑅)))))
2314, 21, 22syl2anc 692 . . 3 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → ((𝐺𝐹)‘(GId‘(2nd𝑅))) = (𝐺‘(𝐹‘(GId‘(2nd𝑅)))))
24 eqid 2626 . . . . . . . . 9 (2nd𝑆) = (2nd𝑆)
25 eqid 2626 . . . . . . . . 9 (GId‘(2nd𝑆)) = (GId‘(2nd𝑆))
2617, 18, 24, 25rngohom1 33385 . . . . . . . 8 ((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → (𝐹‘(GId‘(2nd𝑅))) = (GId‘(2nd𝑆)))
27263expa 1262 . . . . . . 7 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → (𝐹‘(GId‘(2nd𝑅))) = (GId‘(2nd𝑆)))
28273adantl3 1217 . . . . . 6 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → (𝐹‘(GId‘(2nd𝑅))) = (GId‘(2nd𝑆)))
2928adantrr 752 . . . . 5 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → (𝐹‘(GId‘(2nd𝑅))) = (GId‘(2nd𝑆)))
3029fveq2d 6154 . . . 4 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → (𝐺‘(𝐹‘(GId‘(2nd𝑅)))) = (𝐺‘(GId‘(2nd𝑆))))
31 eqid 2626 . . . . . . . 8 (2nd𝑇) = (2nd𝑇)
32 eqid 2626 . . . . . . . 8 (GId‘(2nd𝑇)) = (GId‘(2nd𝑇))
3324, 25, 31, 32rngohom1 33385 . . . . . . 7 ((𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → (𝐺‘(GId‘(2nd𝑆))) = (GId‘(2nd𝑇)))
34333expa 1262 . . . . . 6 (((𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → (𝐺‘(GId‘(2nd𝑆))) = (GId‘(2nd𝑇)))
35343adantl1 1215 . . . . 5 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → (𝐺‘(GId‘(2nd𝑆))) = (GId‘(2nd𝑇)))
3635adantrl 751 . . . 4 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → (𝐺‘(GId‘(2nd𝑆))) = (GId‘(2nd𝑇)))
3730, 36eqtrd 2660 . . 3 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → (𝐺‘(𝐹‘(GId‘(2nd𝑅)))) = (GId‘(2nd𝑇)))
3823, 37eqtrd 2660 . 2 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → ((𝐺𝐹)‘(GId‘(2nd𝑅))) = (GId‘(2nd𝑇)))
399, 10, 1rngohomadd 33386 . . . . . . . . . . . 12 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐹‘(𝑥(1st𝑅)𝑦)) = ((𝐹𝑥)(1st𝑆)(𝐹𝑦)))
4039ex 450 . . . . . . . . . . 11 ((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → ((𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → (𝐹‘(𝑥(1st𝑅)𝑦)) = ((𝐹𝑥)(1st𝑆)(𝐹𝑦))))
41403expa 1262 . . . . . . . . . 10 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → ((𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → (𝐹‘(𝑥(1st𝑅)𝑦)) = ((𝐹𝑥)(1st𝑆)(𝐹𝑦))))
42413adantl3 1217 . . . . . . . . 9 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → ((𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → (𝐹‘(𝑥(1st𝑅)𝑦)) = ((𝐹𝑥)(1st𝑆)(𝐹𝑦))))
4342imp 445 . . . . . . . 8 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐹‘(𝑥(1st𝑅)𝑦)) = ((𝐹𝑥)(1st𝑆)(𝐹𝑦)))
4443adantlrr 756 . . . . . . 7 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐹‘(𝑥(1st𝑅)𝑦)) = ((𝐹𝑥)(1st𝑆)(𝐹𝑦)))
4544fveq2d 6154 . . . . . 6 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐺‘(𝐹‘(𝑥(1st𝑅)𝑦))) = (𝐺‘((𝐹𝑥)(1st𝑆)(𝐹𝑦))))
469, 10, 1, 2rngohomcl 33384 . . . . . . . . . . . . 13 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) ∧ 𝑥 ∈ ran (1st𝑅)) → (𝐹𝑥) ∈ ran (1st𝑆))
479, 10, 1, 2rngohomcl 33384 . . . . . . . . . . . . 13 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) ∧ 𝑦 ∈ ran (1st𝑅)) → (𝐹𝑦) ∈ ran (1st𝑆))
4846, 47anim12da 33124 . . . . . . . . . . . 12 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆)))
4948ex 450 . . . . . . . . . . 11 ((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → ((𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆))))
50493expa 1262 . . . . . . . . . 10 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → ((𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆))))
51503adantl3 1217 . . . . . . . . 9 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → ((𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆))))
5251imp 445 . . . . . . . 8 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆)))
5352adantlrr 756 . . . . . . 7 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆)))
541, 2, 3rngohomadd 33386 . . . . . . . . . . . 12 (((𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) ∧ ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆))) → (𝐺‘((𝐹𝑥)(1st𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(1st𝑇)(𝐺‘(𝐹𝑦))))
5554ex 450 . . . . . . . . . . 11 ((𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → (((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆)) → (𝐺‘((𝐹𝑥)(1st𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(1st𝑇)(𝐺‘(𝐹𝑦)))))
56553expa 1262 . . . . . . . . . 10 (((𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → (((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆)) → (𝐺‘((𝐹𝑥)(1st𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(1st𝑇)(𝐺‘(𝐹𝑦)))))
57563adantl1 1215 . . . . . . . . 9 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → (((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆)) → (𝐺‘((𝐹𝑥)(1st𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(1st𝑇)(𝐺‘(𝐹𝑦)))))
5857imp 445 . . . . . . . 8 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) ∧ ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆))) → (𝐺‘((𝐹𝑥)(1st𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(1st𝑇)(𝐺‘(𝐹𝑦))))
5958adantlrl 755 . . . . . . 7 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆))) → (𝐺‘((𝐹𝑥)(1st𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(1st𝑇)(𝐺‘(𝐹𝑦))))
6053, 59syldan 487 . . . . . 6 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐺‘((𝐹𝑥)(1st𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(1st𝑇)(𝐺‘(𝐹𝑦))))
6145, 60eqtrd 2660 . . . . 5 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐺‘(𝐹‘(𝑥(1st𝑅)𝑦))) = ((𝐺‘(𝐹𝑥))(1st𝑇)(𝐺‘(𝐹𝑦))))
629, 10rngogcl 33329 . . . . . . . . 9 ((𝑅 ∈ RingOps ∧ 𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → (𝑥(1st𝑅)𝑦) ∈ ran (1st𝑅))
63623expb 1263 . . . . . . . 8 ((𝑅 ∈ RingOps ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝑥(1st𝑅)𝑦) ∈ ran (1st𝑅))
64633ad2antl1 1221 . . . . . . 7 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝑥(1st𝑅)𝑦) ∈ ran (1st𝑅))
6564adantlr 750 . . . . . 6 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝑥(1st𝑅)𝑦) ∈ ran (1st𝑅))
66 fvco3 6233 . . . . . . 7 ((𝐹:ran (1st𝑅)⟶ran (1st𝑆) ∧ (𝑥(1st𝑅)𝑦) ∈ ran (1st𝑅)) → ((𝐺𝐹)‘(𝑥(1st𝑅)𝑦)) = (𝐺‘(𝐹‘(𝑥(1st𝑅)𝑦))))
6714, 66sylan 488 . . . . . 6 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥(1st𝑅)𝑦) ∈ ran (1st𝑅)) → ((𝐺𝐹)‘(𝑥(1st𝑅)𝑦)) = (𝐺‘(𝐹‘(𝑥(1st𝑅)𝑦))))
6865, 67syldan 487 . . . . 5 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → ((𝐺𝐹)‘(𝑥(1st𝑅)𝑦)) = (𝐺‘(𝐹‘(𝑥(1st𝑅)𝑦))))
69 fvco3 6233 . . . . . . . 8 ((𝐹:ran (1st𝑅)⟶ran (1st𝑆) ∧ 𝑥 ∈ ran (1st𝑅)) → ((𝐺𝐹)‘𝑥) = (𝐺‘(𝐹𝑥)))
7014, 69sylan 488 . . . . . . 7 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ 𝑥 ∈ ran (1st𝑅)) → ((𝐺𝐹)‘𝑥) = (𝐺‘(𝐹𝑥)))
71 fvco3 6233 . . . . . . . 8 ((𝐹:ran (1st𝑅)⟶ran (1st𝑆) ∧ 𝑦 ∈ ran (1st𝑅)) → ((𝐺𝐹)‘𝑦) = (𝐺‘(𝐹𝑦)))
7214, 71sylan 488 . . . . . . 7 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ 𝑦 ∈ ran (1st𝑅)) → ((𝐺𝐹)‘𝑦) = (𝐺‘(𝐹𝑦)))
7370, 72anim12da 33124 . . . . . 6 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (((𝐺𝐹)‘𝑥) = (𝐺‘(𝐹𝑥)) ∧ ((𝐺𝐹)‘𝑦) = (𝐺‘(𝐹𝑦))))
74 oveq12 6614 . . . . . 6 ((((𝐺𝐹)‘𝑥) = (𝐺‘(𝐹𝑥)) ∧ ((𝐺𝐹)‘𝑦) = (𝐺‘(𝐹𝑦))) → (((𝐺𝐹)‘𝑥)(1st𝑇)((𝐺𝐹)‘𝑦)) = ((𝐺‘(𝐹𝑥))(1st𝑇)(𝐺‘(𝐹𝑦))))
7573, 74syl 17 . . . . 5 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (((𝐺𝐹)‘𝑥)(1st𝑇)((𝐺𝐹)‘𝑦)) = ((𝐺‘(𝐹𝑥))(1st𝑇)(𝐺‘(𝐹𝑦))))
7661, 68, 753eqtr4d 2670 . . . 4 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → ((𝐺𝐹)‘(𝑥(1st𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(1st𝑇)((𝐺𝐹)‘𝑦)))
779, 10, 17, 24rngohommul 33387 . . . . . . . . . . . 12 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐹‘(𝑥(2nd𝑅)𝑦)) = ((𝐹𝑥)(2nd𝑆)(𝐹𝑦)))
7877ex 450 . . . . . . . . . . 11 ((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → ((𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → (𝐹‘(𝑥(2nd𝑅)𝑦)) = ((𝐹𝑥)(2nd𝑆)(𝐹𝑦))))
79783expa 1262 . . . . . . . . . 10 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → ((𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → (𝐹‘(𝑥(2nd𝑅)𝑦)) = ((𝐹𝑥)(2nd𝑆)(𝐹𝑦))))
80793adantl3 1217 . . . . . . . . 9 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) → ((𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → (𝐹‘(𝑥(2nd𝑅)𝑦)) = ((𝐹𝑥)(2nd𝑆)(𝐹𝑦))))
8180imp 445 . . . . . . . 8 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐹 ∈ (𝑅 RngHom 𝑆)) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐹‘(𝑥(2nd𝑅)𝑦)) = ((𝐹𝑥)(2nd𝑆)(𝐹𝑦)))
8281adantlrr 756 . . . . . . 7 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐹‘(𝑥(2nd𝑅)𝑦)) = ((𝐹𝑥)(2nd𝑆)(𝐹𝑦)))
8382fveq2d 6154 . . . . . 6 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐺‘(𝐹‘(𝑥(2nd𝑅)𝑦))) = (𝐺‘((𝐹𝑥)(2nd𝑆)(𝐹𝑦))))
841, 2, 24, 31rngohommul 33387 . . . . . . . . . . . 12 (((𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) ∧ ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆))) → (𝐺‘((𝐹𝑥)(2nd𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(2nd𝑇)(𝐺‘(𝐹𝑦))))
8584ex 450 . . . . . . . . . . 11 ((𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → (((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆)) → (𝐺‘((𝐹𝑥)(2nd𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(2nd𝑇)(𝐺‘(𝐹𝑦)))))
86853expa 1262 . . . . . . . . . 10 (((𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → (((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆)) → (𝐺‘((𝐹𝑥)(2nd𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(2nd𝑇)(𝐺‘(𝐹𝑦)))))
87863adantl1 1215 . . . . . . . . 9 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) → (((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆)) → (𝐺‘((𝐹𝑥)(2nd𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(2nd𝑇)(𝐺‘(𝐹𝑦)))))
8887imp 445 . . . . . . . 8 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇)) ∧ ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆))) → (𝐺‘((𝐹𝑥)(2nd𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(2nd𝑇)(𝐺‘(𝐹𝑦))))
8988adantlrl 755 . . . . . . 7 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ ((𝐹𝑥) ∈ ran (1st𝑆) ∧ (𝐹𝑦) ∈ ran (1st𝑆))) → (𝐺‘((𝐹𝑥)(2nd𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(2nd𝑇)(𝐺‘(𝐹𝑦))))
9053, 89syldan 487 . . . . . 6 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐺‘((𝐹𝑥)(2nd𝑆)(𝐹𝑦))) = ((𝐺‘(𝐹𝑥))(2nd𝑇)(𝐺‘(𝐹𝑦))))
9183, 90eqtrd 2660 . . . . 5 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝐺‘(𝐹‘(𝑥(2nd𝑅)𝑦))) = ((𝐺‘(𝐹𝑥))(2nd𝑇)(𝐺‘(𝐹𝑦))))
929, 17, 10rngocl 33318 . . . . . . . . 9 ((𝑅 ∈ RingOps ∧ 𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅)) → (𝑥(2nd𝑅)𝑦) ∈ ran (1st𝑅))
93923expb 1263 . . . . . . . 8 ((𝑅 ∈ RingOps ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝑥(2nd𝑅)𝑦) ∈ ran (1st𝑅))
94933ad2antl1 1221 . . . . . . 7 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝑥(2nd𝑅)𝑦) ∈ ran (1st𝑅))
9594adantlr 750 . . . . . 6 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (𝑥(2nd𝑅)𝑦) ∈ ran (1st𝑅))
96 fvco3 6233 . . . . . . 7 ((𝐹:ran (1st𝑅)⟶ran (1st𝑆) ∧ (𝑥(2nd𝑅)𝑦) ∈ ran (1st𝑅)) → ((𝐺𝐹)‘(𝑥(2nd𝑅)𝑦)) = (𝐺‘(𝐹‘(𝑥(2nd𝑅)𝑦))))
9714, 96sylan 488 . . . . . 6 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥(2nd𝑅)𝑦) ∈ ran (1st𝑅)) → ((𝐺𝐹)‘(𝑥(2nd𝑅)𝑦)) = (𝐺‘(𝐹‘(𝑥(2nd𝑅)𝑦))))
9895, 97syldan 487 . . . . 5 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → ((𝐺𝐹)‘(𝑥(2nd𝑅)𝑦)) = (𝐺‘(𝐹‘(𝑥(2nd𝑅)𝑦))))
99 oveq12 6614 . . . . . 6 ((((𝐺𝐹)‘𝑥) = (𝐺‘(𝐹𝑥)) ∧ ((𝐺𝐹)‘𝑦) = (𝐺‘(𝐹𝑦))) → (((𝐺𝐹)‘𝑥)(2nd𝑇)((𝐺𝐹)‘𝑦)) = ((𝐺‘(𝐹𝑥))(2nd𝑇)(𝐺‘(𝐹𝑦))))
10073, 99syl 17 . . . . 5 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (((𝐺𝐹)‘𝑥)(2nd𝑇)((𝐺𝐹)‘𝑦)) = ((𝐺‘(𝐹𝑥))(2nd𝑇)(𝐺‘(𝐹𝑦))))
10191, 98, 1003eqtr4d 2670 . . . 4 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → ((𝐺𝐹)‘(𝑥(2nd𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(2nd𝑇)((𝐺𝐹)‘𝑦)))
10276, 101jca 554 . . 3 ((((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) ∧ (𝑥 ∈ ran (1st𝑅) ∧ 𝑦 ∈ ran (1st𝑅))) → (((𝐺𝐹)‘(𝑥(1st𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(1st𝑇)((𝐺𝐹)‘𝑦)) ∧ ((𝐺𝐹)‘(𝑥(2nd𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(2nd𝑇)((𝐺𝐹)‘𝑦))))
103102ralrimivva 2970 . 2 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → ∀𝑥 ∈ ran (1st𝑅)∀𝑦 ∈ ran (1st𝑅)(((𝐺𝐹)‘(𝑥(1st𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(1st𝑇)((𝐺𝐹)‘𝑦)) ∧ ((𝐺𝐹)‘(𝑥(2nd𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(2nd𝑇)((𝐺𝐹)‘𝑦))))
1049, 17, 10, 18, 3, 31, 4, 32isrngohom 33382 . . . 4 ((𝑅 ∈ RingOps ∧ 𝑇 ∈ RingOps) → ((𝐺𝐹) ∈ (𝑅 RngHom 𝑇) ↔ ((𝐺𝐹):ran (1st𝑅)⟶ran (1st𝑇) ∧ ((𝐺𝐹)‘(GId‘(2nd𝑅))) = (GId‘(2nd𝑇)) ∧ ∀𝑥 ∈ ran (1st𝑅)∀𝑦 ∈ ran (1st𝑅)(((𝐺𝐹)‘(𝑥(1st𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(1st𝑇)((𝐺𝐹)‘𝑦)) ∧ ((𝐺𝐹)‘(𝑥(2nd𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(2nd𝑇)((𝐺𝐹)‘𝑦))))))
1051043adant2 1078 . . 3 ((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) → ((𝐺𝐹) ∈ (𝑅 RngHom 𝑇) ↔ ((𝐺𝐹):ran (1st𝑅)⟶ran (1st𝑇) ∧ ((𝐺𝐹)‘(GId‘(2nd𝑅))) = (GId‘(2nd𝑇)) ∧ ∀𝑥 ∈ ran (1st𝑅)∀𝑦 ∈ ran (1st𝑅)(((𝐺𝐹)‘(𝑥(1st𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(1st𝑇)((𝐺𝐹)‘𝑦)) ∧ ((𝐺𝐹)‘(𝑥(2nd𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(2nd𝑇)((𝐺𝐹)‘𝑦))))))
106105adantr 481 . 2 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → ((𝐺𝐹) ∈ (𝑅 RngHom 𝑇) ↔ ((𝐺𝐹):ran (1st𝑅)⟶ran (1st𝑇) ∧ ((𝐺𝐹)‘(GId‘(2nd𝑅))) = (GId‘(2nd𝑇)) ∧ ∀𝑥 ∈ ran (1st𝑅)∀𝑦 ∈ ran (1st𝑅)(((𝐺𝐹)‘(𝑥(1st𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(1st𝑇)((𝐺𝐹)‘𝑦)) ∧ ((𝐺𝐹)‘(𝑥(2nd𝑅)𝑦)) = (((𝐺𝐹)‘𝑥)(2nd𝑇)((𝐺𝐹)‘𝑦))))))
10716, 38, 103, 106mpbir3and 1243 1 (((𝑅 ∈ RingOps ∧ 𝑆 ∈ RingOps ∧ 𝑇 ∈ RingOps) ∧ (𝐹 ∈ (𝑅 RngHom 𝑆) ∧ 𝐺 ∈ (𝑆 RngHom 𝑇))) → (𝐺𝐹) ∈ (𝑅 RngHom 𝑇))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 384  w3a 1036   = wceq 1480  wcel 1992  wral 2912  ran crn 5080  ccom 5083  wf 5846  cfv 5850  (class class class)co 6605  1st c1st 7114  2nd c2nd 7115  GIdcgi 27184  RingOpscrngo 33311   RngHom crnghom 33377
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1841  ax-6 1890  ax-7 1937  ax-8 1994  ax-9 2001  ax-10 2021  ax-11 2036  ax-12 2049  ax-13 2250  ax-ext 2606  ax-sep 4746  ax-nul 4754  ax-pow 4808  ax-pr 4872  ax-un 6903
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1038  df-tru 1483  df-ex 1702  df-nf 1707  df-sb 1883  df-eu 2478  df-mo 2479  df-clab 2613  df-cleq 2619  df-clel 2622  df-nfc 2756  df-ne 2797  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3193  df-sbc 3423  df-csb 3520  df-dif 3563  df-un 3565  df-in 3567  df-ss 3574  df-nul 3897  df-if 4064  df-pw 4137  df-sn 4154  df-pr 4156  df-op 4160  df-uni 4408  df-iun 4492  df-br 4619  df-opab 4679  df-mpt 4680  df-id 4994  df-xp 5085  df-rel 5086  df-cnv 5087  df-co 5088  df-dm 5089  df-rn 5090  df-res 5091  df-ima 5092  df-iota 5813  df-fun 5852  df-fn 5853  df-f 5854  df-fo 5856  df-fv 5858  df-riota 6566  df-ov 6608  df-oprab 6609  df-mpt2 6610  df-1st 7116  df-2nd 7117  df-map 7805  df-grpo 27187  df-gid 27188  df-ablo 27239  df-ass 33260  df-exid 33262  df-mgmOLD 33266  df-sgrOLD 33278  df-mndo 33284  df-rngo 33312  df-rngohom 33380
This theorem is referenced by:  rngoisoco  33399
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