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| Mirrors > Home > MPE Home > Th. List > ply1sclf1 | Structured version Visualization version GIF version | ||
| Description: The polynomial scalar function is injective. (Contributed by Stefan O'Rear, 28-Mar-2015.) | 
| Ref | Expression | 
|---|---|
| ply1scl.p | ⊢ 𝑃 = (Poly1‘𝑅) | 
| ply1scl.a | ⊢ 𝐴 = (algSc‘𝑃) | 
| ply1sclid.k | ⊢ 𝐾 = (Base‘𝑅) | 
| ply1sclf1.b | ⊢ 𝐵 = (Base‘𝑃) | 
| Ref | Expression | 
|---|---|
| ply1sclf1 | ⊢ (𝑅 ∈ Ring → 𝐴:𝐾–1-1→𝐵) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | ply1scl.p | . . 3 ⊢ 𝑃 = (Poly1‘𝑅) | |
| 2 | ply1scl.a | . . 3 ⊢ 𝐴 = (algSc‘𝑃) | |
| 3 | ply1sclid.k | . . 3 ⊢ 𝐾 = (Base‘𝑅) | |
| 4 | ply1sclf1.b | . . 3 ⊢ 𝐵 = (Base‘𝑃) | |
| 5 | 1, 2, 3, 4 | ply1sclf 22288 | . 2 ⊢ (𝑅 ∈ Ring → 𝐴:𝐾⟶𝐵) | 
| 6 | fveq2 6906 | . . . . 5 ⊢ ((𝐴‘𝑥) = (𝐴‘𝑦) → (coe1‘(𝐴‘𝑥)) = (coe1‘(𝐴‘𝑦))) | |
| 7 | 6 | fveq1d 6908 | . . . 4 ⊢ ((𝐴‘𝑥) = (𝐴‘𝑦) → ((coe1‘(𝐴‘𝑥))‘0) = ((coe1‘(𝐴‘𝑦))‘0)) | 
| 8 | 1, 2, 3 | ply1sclid 22291 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝐾) → 𝑥 = ((coe1‘(𝐴‘𝑥))‘0)) | 
| 9 | 8 | adantrr 717 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → 𝑥 = ((coe1‘(𝐴‘𝑥))‘0)) | 
| 10 | 1, 2, 3 | ply1sclid 22291 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝑦 ∈ 𝐾) → 𝑦 = ((coe1‘(𝐴‘𝑦))‘0)) | 
| 11 | 10 | adantrl 716 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → 𝑦 = ((coe1‘(𝐴‘𝑦))‘0)) | 
| 12 | 9, 11 | eqeq12d 2753 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → (𝑥 = 𝑦 ↔ ((coe1‘(𝐴‘𝑥))‘0) = ((coe1‘(𝐴‘𝑦))‘0))) | 
| 13 | 7, 12 | imbitrrid 246 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → ((𝐴‘𝑥) = (𝐴‘𝑦) → 𝑥 = 𝑦)) | 
| 14 | 13 | ralrimivva 3202 | . 2 ⊢ (𝑅 ∈ Ring → ∀𝑥 ∈ 𝐾 ∀𝑦 ∈ 𝐾 ((𝐴‘𝑥) = (𝐴‘𝑦) → 𝑥 = 𝑦)) | 
| 15 | dff13 7275 | . 2 ⊢ (𝐴:𝐾–1-1→𝐵 ↔ (𝐴:𝐾⟶𝐵 ∧ ∀𝑥 ∈ 𝐾 ∀𝑦 ∈ 𝐾 ((𝐴‘𝑥) = (𝐴‘𝑦) → 𝑥 = 𝑦))) | |
| 16 | 5, 14, 15 | sylanbrc 583 | 1 ⊢ (𝑅 ∈ Ring → 𝐴:𝐾–1-1→𝐵) | 
| Colors of variables: wff setvar class | 
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2108 ∀wral 3061 ⟶wf 6557 –1-1→wf1 6558 ‘cfv 6561 0cc0 11155 Basecbs 17247 Ringcrg 20230 algSccascl 21872 Poly1cpl1 22178 coe1cco1 22179 | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5279 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 | 
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3380 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-tp 4631 df-op 4633 df-uni 4908 df-int 4947 df-iun 4993 df-iin 4994 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-se 5638 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-isom 6570 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-of 7697 df-ofr 7698 df-om 7888 df-1st 8014 df-2nd 8015 df-supp 8186 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-1o 8506 df-2o 8507 df-er 8745 df-map 8868 df-pm 8869 df-ixp 8938 df-en 8986 df-dom 8987 df-sdom 8988 df-fin 8989 df-fsupp 9402 df-sup 9482 df-oi 9550 df-card 9979 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-nn 12267 df-2 12329 df-3 12330 df-4 12331 df-5 12332 df-6 12333 df-7 12334 df-8 12335 df-9 12336 df-n0 12527 df-z 12614 df-dec 12734 df-uz 12879 df-fz 13548 df-fzo 13695 df-seq 14043 df-hash 14370 df-struct 17184 df-sets 17201 df-slot 17219 df-ndx 17231 df-base 17248 df-ress 17275 df-plusg 17310 df-mulr 17311 df-sca 17313 df-vsca 17314 df-ip 17315 df-tset 17316 df-ple 17317 df-ds 17319 df-hom 17321 df-cco 17322 df-0g 17486 df-gsum 17487 df-prds 17492 df-pws 17494 df-mre 17629 df-mrc 17630 df-acs 17632 df-mgm 18653 df-sgrp 18732 df-mnd 18748 df-mhm 18796 df-submnd 18797 df-grp 18954 df-minusg 18955 df-sbg 18956 df-mulg 19086 df-subg 19141 df-ghm 19231 df-cntz 19335 df-cmn 19800 df-abl 19801 df-mgp 20138 df-rng 20150 df-ur 20179 df-ring 20232 df-subrng 20546 df-subrg 20570 df-lmod 20860 df-lss 20930 df-ascl 21875 df-psr 21929 df-mvr 21930 df-mpl 21931 df-opsr 21933 df-psr1 22181 df-vr1 22182 df-ply1 22183 df-coe1 22184 | 
| This theorem is referenced by: ply1scln0 22295 mat2pmatf1 22735 facth1 26206 | 
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