Users' Mathboxes Mathbox for Thierry Arnoux < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  rhmimaidl Structured version   Visualization version   GIF version

Theorem rhmimaidl 33307
Description: The image of an ideal 𝐼 by a surjective ring homomorphism 𝐹 is an ideal. (Contributed by Thierry Arnoux, 6-Jul-2024.)
Hypotheses
Ref Expression
rhmimaidl.b 𝐵 = (Base‘𝑆)
rhmimaidl.t 𝑇 = (LIdeal‘𝑅)
rhmimaidl.u 𝑈 = (LIdeal‘𝑆)
Assertion
Ref Expression
rhmimaidl ((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵𝐼𝑇) → (𝐹𝐼) ∈ 𝑈)

Proof of Theorem rhmimaidl
Dummy variables 𝑎 𝑏 𝑖 𝑗 𝑥 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2726 . . . . . 6 (Base‘𝑅) = (Base‘𝑅)
2 rhmimaidl.b . . . . . 6 𝐵 = (Base‘𝑆)
31, 2rhmf 20467 . . . . 5 (𝐹 ∈ (𝑅 RingHom 𝑆) → 𝐹:(Base‘𝑅)⟶𝐵)
4 fimass 6748 . . . . 5 (𝐹:(Base‘𝑅)⟶𝐵 → (𝐹𝐼) ⊆ 𝐵)
53, 4syl 17 . . . 4 (𝐹 ∈ (𝑅 RingHom 𝑆) → (𝐹𝐼) ⊆ 𝐵)
65ad2antrr 724 . . 3 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → (𝐹𝐼) ⊆ 𝐵)
73ffnd 6729 . . . . . 6 (𝐹 ∈ (𝑅 RingHom 𝑆) → 𝐹 Fn (Base‘𝑅))
87ad2antrr 724 . . . . 5 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → 𝐹 Fn (Base‘𝑅))
9 rhmrcl1 20458 . . . . . . 7 (𝐹 ∈ (𝑅 RingHom 𝑆) → 𝑅 ∈ Ring)
109ad2antrr 724 . . . . . 6 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → 𝑅 ∈ Ring)
11 eqid 2726 . . . . . . 7 (0g𝑅) = (0g𝑅)
121, 11ring0cl 20246 . . . . . 6 (𝑅 ∈ Ring → (0g𝑅) ∈ (Base‘𝑅))
1310, 12syl 17 . . . . 5 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → (0g𝑅) ∈ (Base‘𝑅))
14 simpr 483 . . . . . 6 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → 𝐼𝑇)
15 rhmimaidl.t . . . . . . 7 𝑇 = (LIdeal‘𝑅)
1615, 11lidl0cl 21209 . . . . . 6 ((𝑅 ∈ Ring ∧ 𝐼𝑇) → (0g𝑅) ∈ 𝐼)
1710, 14, 16syl2anc 582 . . . . 5 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → (0g𝑅) ∈ 𝐼)
188, 13, 17fnfvimad 7251 . . . 4 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → (𝐹‘(0g𝑅)) ∈ (𝐹𝐼))
1918ne0d 4338 . . 3 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → (𝐹𝐼) ≠ ∅)
20 rhmghm 20466 . . . . . . . . . . . . . . . . . . . 20 (𝐹 ∈ (𝑅 RingHom 𝑆) → 𝐹 ∈ (𝑅 GrpHom 𝑆))
2120ad4antr 730 . . . . . . . . . . . . . . . . . . 19 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → 𝐹 ∈ (𝑅 GrpHom 𝑆))
229ad4antr 730 . . . . . . . . . . . . . . . . . . . 20 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → 𝑅 ∈ Ring)
23 simpr 483 . . . . . . . . . . . . . . . . . . . 20 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → 𝑧 ∈ (Base‘𝑅))
241, 15lidlss 21201 . . . . . . . . . . . . . . . . . . . . . 22 (𝐼𝑇𝐼 ⊆ (Base‘𝑅))
2524ad4antlr 731 . . . . . . . . . . . . . . . . . . . . 21 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → 𝐼 ⊆ (Base‘𝑅))
26 simplr 767 . . . . . . . . . . . . . . . . . . . . 21 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → 𝑖𝐼)
2725, 26sseldd 3980 . . . . . . . . . . . . . . . . . . . 20 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → 𝑖 ∈ (Base‘𝑅))
28 eqid 2726 . . . . . . . . . . . . . . . . . . . . 21 (.r𝑅) = (.r𝑅)
291, 28ringcl 20233 . . . . . . . . . . . . . . . . . . . 20 ((𝑅 ∈ Ring ∧ 𝑧 ∈ (Base‘𝑅) ∧ 𝑖 ∈ (Base‘𝑅)) → (𝑧(.r𝑅)𝑖) ∈ (Base‘𝑅))
3022, 23, 27, 29syl3anc 1368 . . . . . . . . . . . . . . . . . . 19 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → (𝑧(.r𝑅)𝑖) ∈ (Base‘𝑅))
31 simpllr 774 . . . . . . . . . . . . . . . . . . . 20 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → 𝑗𝐼)
3225, 31sseldd 3980 . . . . . . . . . . . . . . . . . . 19 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → 𝑗 ∈ (Base‘𝑅))
33 eqid 2726 . . . . . . . . . . . . . . . . . . . 20 (+g𝑅) = (+g𝑅)
34 eqid 2726 . . . . . . . . . . . . . . . . . . . 20 (+g𝑆) = (+g𝑆)
351, 33, 34ghmlin 19215 . . . . . . . . . . . . . . . . . . 19 ((𝐹 ∈ (𝑅 GrpHom 𝑆) ∧ (𝑧(.r𝑅)𝑖) ∈ (Base‘𝑅) ∧ 𝑗 ∈ (Base‘𝑅)) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) = ((𝐹‘(𝑧(.r𝑅)𝑖))(+g𝑆)(𝐹𝑗)))
3621, 30, 32, 35syl3anc 1368 . . . . . . . . . . . . . . . . . 18 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) = ((𝐹‘(𝑧(.r𝑅)𝑖))(+g𝑆)(𝐹𝑗)))
37 simp-4l 781 . . . . . . . . . . . . . . . . . . . 20 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → 𝐹 ∈ (𝑅 RingHom 𝑆))
38 eqid 2726 . . . . . . . . . . . . . . . . . . . . 21 (.r𝑆) = (.r𝑆)
391, 28, 38rhmmul 20468 . . . . . . . . . . . . . . . . . . . 20 ((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝑧 ∈ (Base‘𝑅) ∧ 𝑖 ∈ (Base‘𝑅)) → (𝐹‘(𝑧(.r𝑅)𝑖)) = ((𝐹𝑧)(.r𝑆)(𝐹𝑖)))
4037, 23, 27, 39syl3anc 1368 . . . . . . . . . . . . . . . . . . 19 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → (𝐹‘(𝑧(.r𝑅)𝑖)) = ((𝐹𝑧)(.r𝑆)(𝐹𝑖)))
4140oveq1d 7439 . . . . . . . . . . . . . . . . . 18 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → ((𝐹‘(𝑧(.r𝑅)𝑖))(+g𝑆)(𝐹𝑗)) = (((𝐹𝑧)(.r𝑆)(𝐹𝑖))(+g𝑆)(𝐹𝑗)))
4236, 41eqtrd 2766 . . . . . . . . . . . . . . . . 17 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) = (((𝐹𝑧)(.r𝑆)(𝐹𝑖))(+g𝑆)(𝐹𝑗)))
4342adantl4r 753 . . . . . . . . . . . . . . . 16 ((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) = (((𝐹𝑧)(.r𝑆)(𝐹𝑖))(+g𝑆)(𝐹𝑗)))
4443adantl3r 748 . . . . . . . . . . . . . . 15 (((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) = (((𝐹𝑧)(.r𝑆)(𝐹𝑖))(+g𝑆)(𝐹𝑗)))
4544adantl3r 748 . . . . . . . . . . . . . 14 ((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) = (((𝐹𝑧)(.r𝑆)(𝐹𝑖))(+g𝑆)(𝐹𝑗)))
4645adantl3r 748 . . . . . . . . . . . . 13 (((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) = (((𝐹𝑧)(.r𝑆)(𝐹𝑖))(+g𝑆)(𝐹𝑗)))
4746adantllr 717 . . . . . . . . . . . 12 ((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ 𝑧 ∈ (Base‘𝑅)) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) = (((𝐹𝑧)(.r𝑆)(𝐹𝑖))(+g𝑆)(𝐹𝑗)))
4847ad4ant13 749 . . . . . . . . . . 11 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) = (((𝐹𝑧)(.r𝑆)(𝐹𝑖))(+g𝑆)(𝐹𝑗)))
49 simpr 483 . . . . . . . . . . . . 13 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → (𝐹𝑧) = 𝑥)
50 simpllr 774 . . . . . . . . . . . . 13 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → (𝐹𝑖) = 𝑎)
5149, 50oveq12d 7442 . . . . . . . . . . . 12 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → ((𝐹𝑧)(.r𝑆)(𝐹𝑖)) = (𝑥(.r𝑆)𝑎))
52 simp-5r 784 . . . . . . . . . . . 12 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → (𝐹𝑗) = 𝑏)
5351, 52oveq12d 7442 . . . . . . . . . . 11 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → (((𝐹𝑧)(.r𝑆)(𝐹𝑖))(+g𝑆)(𝐹𝑗)) = ((𝑥(.r𝑆)𝑎)(+g𝑆)𝑏))
5448, 53eqtrd 2766 . . . . . . . . . 10 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) = ((𝑥(.r𝑆)𝑎)(+g𝑆)𝑏))
558ad9antr 740 . . . . . . . . . . 11 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → 𝐹 Fn (Base‘𝑅))
5614, 24syl 17 . . . . . . . . . . . . 13 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → 𝐼 ⊆ (Base‘𝑅))
5756ad9antr 740 . . . . . . . . . . . 12 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → 𝐼 ⊆ (Base‘𝑅))
5814ad9antr 740 . . . . . . . . . . . . 13 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → 𝐼𝑇)
59 simplr 767 . . . . . . . . . . . . 13 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → 𝑧 ∈ (Base‘𝑅))
60 simp-4r 782 . . . . . . . . . . . . 13 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → 𝑖𝐼)
61 simp-6r 786 . . . . . . . . . . . . 13 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → 𝑗𝐼)
6215, 1, 33, 28islidl 21204 . . . . . . . . . . . . . . . . 17 (𝐼𝑇 ↔ (𝐼 ⊆ (Base‘𝑅) ∧ 𝐼 ≠ ∅ ∧ ∀𝑧 ∈ (Base‘𝑅)∀𝑖𝐼𝑗𝐼 ((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗) ∈ 𝐼))
6362simp3bi 1144 . . . . . . . . . . . . . . . 16 (𝐼𝑇 → ∀𝑧 ∈ (Base‘𝑅)∀𝑖𝐼𝑗𝐼 ((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗) ∈ 𝐼)
6463r19.21bi 3239 . . . . . . . . . . . . . . 15 ((𝐼𝑇𝑧 ∈ (Base‘𝑅)) → ∀𝑖𝐼𝑗𝐼 ((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗) ∈ 𝐼)
6564r19.21bi 3239 . . . . . . . . . . . . . 14 (((𝐼𝑇𝑧 ∈ (Base‘𝑅)) ∧ 𝑖𝐼) → ∀𝑗𝐼 ((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗) ∈ 𝐼)
6665r19.21bi 3239 . . . . . . . . . . . . 13 ((((𝐼𝑇𝑧 ∈ (Base‘𝑅)) ∧ 𝑖𝐼) ∧ 𝑗𝐼) → ((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗) ∈ 𝐼)
6758, 59, 60, 61, 66syl1111anc 838 . . . . . . . . . . . 12 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → ((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗) ∈ 𝐼)
6857, 67sseldd 3980 . . . . . . . . . . 11 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → ((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗) ∈ (Base‘𝑅))
6955, 68, 67fnfvimad 7251 . . . . . . . . . 10 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → (𝐹‘((𝑧(.r𝑅)𝑖)(+g𝑅)𝑗)) ∈ (𝐹𝐼))
7054, 69eqeltrrd 2827 . . . . . . . . 9 ((((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑧) = 𝑥) → ((𝑥(.r𝑆)𝑎)(+g𝑆)𝑏) ∈ (𝐹𝐼))
713ad2antrr 724 . . . . . . . . . . . 12 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → 𝐹:(Base‘𝑅)⟶𝐵)
7271ffund 6732 . . . . . . . . . . 11 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → Fun 𝐹)
7372ad7antr 736 . . . . . . . . . 10 ((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) → Fun 𝐹)
743fdmd 6738 . . . . . . . . . . . . . . . . . 18 (𝐹 ∈ (𝑅 RingHom 𝑆) → dom 𝐹 = (Base‘𝑅))
7574imaeq2d 6069 . . . . . . . . . . . . . . . . 17 (𝐹 ∈ (𝑅 RingHom 𝑆) → (𝐹 “ dom 𝐹) = (𝐹 “ (Base‘𝑅)))
76 imadmrn 6079 . . . . . . . . . . . . . . . . 17 (𝐹 “ dom 𝐹) = ran 𝐹
7775, 76eqtr3di 2781 . . . . . . . . . . . . . . . 16 (𝐹 ∈ (𝑅 RingHom 𝑆) → (𝐹 “ (Base‘𝑅)) = ran 𝐹)
7877eqeq1d 2728 . . . . . . . . . . . . . . 15 (𝐹 ∈ (𝑅 RingHom 𝑆) → ((𝐹 “ (Base‘𝑅)) = 𝐵 ↔ ran 𝐹 = 𝐵))
7978biimpar 476 . . . . . . . . . . . . . 14 ((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) → (𝐹 “ (Base‘𝑅)) = 𝐵)
8079eleq2d 2812 . . . . . . . . . . . . 13 ((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) → (𝑥 ∈ (𝐹 “ (Base‘𝑅)) ↔ 𝑥𝐵))
8180biimpar 476 . . . . . . . . . . . 12 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝑥𝐵) → 𝑥 ∈ (𝐹 “ (Base‘𝑅)))
8281adantlr 713 . . . . . . . . . . 11 ((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) → 𝑥 ∈ (𝐹 “ (Base‘𝑅)))
8382ad6antr 734 . . . . . . . . . 10 ((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) → 𝑥 ∈ (𝐹 “ (Base‘𝑅)))
84 fvelima 6968 . . . . . . . . . 10 ((Fun 𝐹𝑥 ∈ (𝐹 “ (Base‘𝑅))) → ∃𝑧 ∈ (Base‘𝑅)(𝐹𝑧) = 𝑥)
8573, 83, 84syl2anc 582 . . . . . . . . 9 ((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) → ∃𝑧 ∈ (Base‘𝑅)(𝐹𝑧) = 𝑥)
8670, 85r19.29a 3152 . . . . . . . 8 ((((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) ∧ 𝑖𝐼) ∧ (𝐹𝑖) = 𝑎) → ((𝑥(.r𝑆)𝑎)(+g𝑆)𝑏) ∈ (𝐹𝐼))
8772ad5antr 732 . . . . . . . . 9 ((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) → Fun 𝐹)
88 simp-4r 782 . . . . . . . . 9 ((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) → 𝑎 ∈ (𝐹𝐼))
89 fvelima 6968 . . . . . . . . 9 ((Fun 𝐹𝑎 ∈ (𝐹𝐼)) → ∃𝑖𝐼 (𝐹𝑖) = 𝑎)
9087, 88, 89syl2anc 582 . . . . . . . 8 ((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) → ∃𝑖𝐼 (𝐹𝑖) = 𝑎)
9186, 90r19.29a 3152 . . . . . . 7 ((((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) ∧ 𝑗𝐼) ∧ (𝐹𝑗) = 𝑏) → ((𝑥(.r𝑆)𝑎)(+g𝑆)𝑏) ∈ (𝐹𝐼))
9272ad3antrrr 728 . . . . . . . 8 ((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) → Fun 𝐹)
93 simpr 483 . . . . . . . 8 ((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) → 𝑏 ∈ (𝐹𝐼))
94 fvelima 6968 . . . . . . . 8 ((Fun 𝐹𝑏 ∈ (𝐹𝐼)) → ∃𝑗𝐼 (𝐹𝑗) = 𝑏)
9592, 93, 94syl2anc 582 . . . . . . 7 ((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) → ∃𝑗𝐼 (𝐹𝑗) = 𝑏)
9691, 95r19.29a 3152 . . . . . 6 ((((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ 𝑎 ∈ (𝐹𝐼)) ∧ 𝑏 ∈ (𝐹𝐼)) → ((𝑥(.r𝑆)𝑎)(+g𝑆)𝑏) ∈ (𝐹𝐼))
9796anasss 465 . . . . 5 (((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) ∧ (𝑎 ∈ (𝐹𝐼) ∧ 𝑏 ∈ (𝐹𝐼))) → ((𝑥(.r𝑆)𝑎)(+g𝑆)𝑏) ∈ (𝐹𝐼))
9897ralrimivva 3191 . . . 4 ((((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) ∧ 𝑥𝐵) → ∀𝑎 ∈ (𝐹𝐼)∀𝑏 ∈ (𝐹𝐼)((𝑥(.r𝑆)𝑎)(+g𝑆)𝑏) ∈ (𝐹𝐼))
9998ralrimiva 3136 . . 3 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → ∀𝑥𝐵𝑎 ∈ (𝐹𝐼)∀𝑏 ∈ (𝐹𝐼)((𝑥(.r𝑆)𝑎)(+g𝑆)𝑏) ∈ (𝐹𝐼))
100 rhmimaidl.u . . . 4 𝑈 = (LIdeal‘𝑆)
101100, 2, 34, 38islidl 21204 . . 3 ((𝐹𝐼) ∈ 𝑈 ↔ ((𝐹𝐼) ⊆ 𝐵 ∧ (𝐹𝐼) ≠ ∅ ∧ ∀𝑥𝐵𝑎 ∈ (𝐹𝐼)∀𝑏 ∈ (𝐹𝐼)((𝑥(.r𝑆)𝑎)(+g𝑆)𝑏) ∈ (𝐹𝐼)))
1026, 19, 99, 101syl3anbrc 1340 . 2 (((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵) ∧ 𝐼𝑇) → (𝐹𝐼) ∈ 𝑈)
1031023impa 1107 1 ((𝐹 ∈ (𝑅 RingHom 𝑆) ∧ ran 𝐹 = 𝐵𝐼𝑇) → (𝐹𝐼) ∈ 𝑈)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 394  w3a 1084   = wceq 1534  wcel 2099  wne 2930  wral 3051  wrex 3060  wss 3947  c0 4325  dom cdm 5682  ran crn 5683  cima 5685  Fun wfun 6548   Fn wfn 6549  wf 6550  cfv 6554  (class class class)co 7424  Basecbs 17213  +gcplusg 17266  .rcmulr 17267  0gc0g 17454   GrpHom cghm 19206  Ringcrg 20216   RingHom crh 20451  LIdealclidl 21195
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1790  ax-4 1804  ax-5 1906  ax-6 1964  ax-7 2004  ax-8 2101  ax-9 2109  ax-10 2130  ax-11 2147  ax-12 2167  ax-ext 2697  ax-rep 5290  ax-sep 5304  ax-nul 5311  ax-pow 5369  ax-pr 5433  ax-un 7746  ax-cnex 11214  ax-resscn 11215  ax-1cn 11216  ax-icn 11217  ax-addcl 11218  ax-addrcl 11219  ax-mulcl 11220  ax-mulrcl 11221  ax-mulcom 11222  ax-addass 11223  ax-mulass 11224  ax-distr 11225  ax-i2m1 11226  ax-1ne0 11227  ax-1rid 11228  ax-rnegex 11229  ax-rrecex 11230  ax-cnre 11231  ax-pre-lttri 11232  ax-pre-lttrn 11233  ax-pre-ltadd 11234  ax-pre-mulgt0 11235
This theorem depends on definitions:  df-bi 206  df-an 395  df-or 846  df-3or 1085  df-3an 1086  df-tru 1537  df-fal 1547  df-ex 1775  df-nf 1779  df-sb 2061  df-mo 2529  df-eu 2558  df-clab 2704  df-cleq 2718  df-clel 2803  df-nfc 2878  df-ne 2931  df-nel 3037  df-ral 3052  df-rex 3061  df-rmo 3364  df-reu 3365  df-rab 3420  df-v 3464  df-sbc 3777  df-csb 3893  df-dif 3950  df-un 3952  df-in 3954  df-ss 3964  df-pss 3967  df-nul 4326  df-if 4534  df-pw 4609  df-sn 4634  df-pr 4636  df-op 4640  df-uni 4914  df-iun 5003  df-br 5154  df-opab 5216  df-mpt 5237  df-tr 5271  df-id 5580  df-eprel 5586  df-po 5594  df-so 5595  df-fr 5637  df-we 5639  df-xp 5688  df-rel 5689  df-cnv 5690  df-co 5691  df-dm 5692  df-rn 5693  df-res 5694  df-ima 5695  df-pred 6312  df-ord 6379  df-on 6380  df-lim 6381  df-suc 6382  df-iota 6506  df-fun 6556  df-fn 6557  df-f 6558  df-f1 6559  df-fo 6560  df-f1o 6561  df-fv 6562  df-riota 7380  df-ov 7427  df-oprab 7428  df-mpo 7429  df-om 7877  df-1st 8003  df-2nd 8004  df-frecs 8296  df-wrecs 8327  df-recs 8401  df-rdg 8440  df-er 8734  df-map 8857  df-en 8975  df-dom 8976  df-sdom 8977  df-pnf 11300  df-mnf 11301  df-xr 11302  df-ltxr 11303  df-le 11304  df-sub 11496  df-neg 11497  df-nn 12265  df-2 12327  df-3 12328  df-4 12329  df-5 12330  df-6 12331  df-7 12332  df-8 12333  df-sets 17166  df-slot 17184  df-ndx 17196  df-base 17214  df-ress 17243  df-plusg 17279  df-mulr 17280  df-sca 17282  df-vsca 17283  df-ip 17284  df-0g 17456  df-mgm 18633  df-sgrp 18712  df-mnd 18728  df-mhm 18773  df-grp 18931  df-minusg 18932  df-sbg 18933  df-subg 19117  df-ghm 19207  df-mgp 20118  df-ur 20165  df-ring 20218  df-rhm 20454  df-subrg 20553  df-lmod 20838  df-lss 20909  df-sra 21151  df-rgmod 21152  df-lidl 21197
This theorem is referenced by:  rhmpreimacnlem  33699  rhmpreimacn  33700
  Copyright terms: Public domain W3C validator