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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 22236 | . 2 ⊢ (𝑅 ∈ Ring → 𝐴:𝐾⟶𝐵) |
| 6 | fveq2 6886 | . . . . 5 ⊢ ((𝐴‘𝑥) = (𝐴‘𝑦) → (coe1‘(𝐴‘𝑥)) = (coe1‘(𝐴‘𝑦))) | |
| 7 | 6 | fveq1d 6888 | . . . 4 ⊢ ((𝐴‘𝑥) = (𝐴‘𝑦) → ((coe1‘(𝐴‘𝑥))‘0) = ((coe1‘(𝐴‘𝑦))‘0)) |
| 8 | 1, 2, 3 | ply1sclid 22239 | . . . . . 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 22239 | . . . . . 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 2750 | . . . 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 3189 | . 2 ⊢ (𝑅 ∈ Ring → ∀𝑥 ∈ 𝐾 ∀𝑦 ∈ 𝐾 ((𝐴‘𝑥) = (𝐴‘𝑦) → 𝑥 = 𝑦)) |
| 15 | dff13 7257 | . 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 1539 ∈ wcel 2107 ∀wral 3050 ⟶wf 6537 –1-1→wf1 6538 ‘cfv 6541 0cc0 11137 Basecbs 17229 Ringcrg 20198 algSccascl 21826 Poly1cpl1 22126 coe1cco1 22127 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2706 ax-rep 5259 ax-sep 5276 ax-nul 5286 ax-pow 5345 ax-pr 5412 ax-un 7737 ax-cnex 11193 ax-resscn 11194 ax-1cn 11195 ax-icn 11196 ax-addcl 11197 ax-addrcl 11198 ax-mulcl 11199 ax-mulrcl 11200 ax-mulcom 11201 ax-addass 11202 ax-mulass 11203 ax-distr 11204 ax-i2m1 11205 ax-1ne0 11206 ax-1rid 11207 ax-rnegex 11208 ax-rrecex 11209 ax-cnre 11210 ax-pre-lttri 11211 ax-pre-lttrn 11212 ax-pre-ltadd 11213 ax-pre-mulgt0 11214 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2808 df-nfc 2884 df-ne 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3363 df-reu 3364 df-rab 3420 df-v 3465 df-sbc 3771 df-csb 3880 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-pss 3951 df-nul 4314 df-if 4506 df-pw 4582 df-sn 4607 df-pr 4609 df-tp 4611 df-op 4613 df-uni 4888 df-int 4927 df-iun 4973 df-iin 4974 df-br 5124 df-opab 5186 df-mpt 5206 df-tr 5240 df-id 5558 df-eprel 5564 df-po 5572 df-so 5573 df-fr 5617 df-se 5618 df-we 5619 df-xp 5671 df-rel 5672 df-cnv 5673 df-co 5674 df-dm 5675 df-rn 5676 df-res 5677 df-ima 5678 df-pred 6301 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6494 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-isom 6550 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-of 7679 df-ofr 7680 df-om 7870 df-1st 7996 df-2nd 7997 df-supp 8168 df-frecs 8288 df-wrecs 8319 df-recs 8393 df-rdg 8432 df-1o 8488 df-2o 8489 df-er 8727 df-map 8850 df-pm 8851 df-ixp 8920 df-en 8968 df-dom 8969 df-sdom 8970 df-fin 8971 df-fsupp 9384 df-sup 9464 df-oi 9532 df-card 9961 df-pnf 11279 df-mnf 11280 df-xr 11281 df-ltxr 11282 df-le 11283 df-sub 11476 df-neg 11477 df-nn 12249 df-2 12311 df-3 12312 df-4 12313 df-5 12314 df-6 12315 df-7 12316 df-8 12317 df-9 12318 df-n0 12510 df-z 12597 df-dec 12717 df-uz 12861 df-fz 13530 df-fzo 13677 df-seq 14025 df-hash 14352 df-struct 17166 df-sets 17183 df-slot 17201 df-ndx 17213 df-base 17230 df-ress 17253 df-plusg 17286 df-mulr 17287 df-sca 17289 df-vsca 17290 df-ip 17291 df-tset 17292 df-ple 17293 df-ds 17295 df-hom 17297 df-cco 17298 df-0g 17457 df-gsum 17458 df-prds 17463 df-pws 17465 df-mre 17600 df-mrc 17601 df-acs 17603 df-mgm 18622 df-sgrp 18701 df-mnd 18717 df-mhm 18765 df-submnd 18766 df-grp 18923 df-minusg 18924 df-sbg 18925 df-mulg 19055 df-subg 19110 df-ghm 19200 df-cntz 19304 df-cmn 19768 df-abl 19769 df-mgp 20106 df-rng 20118 df-ur 20147 df-ring 20200 df-subrng 20514 df-subrg 20538 df-lmod 20828 df-lss 20898 df-ascl 21829 df-psr 21883 df-mvr 21884 df-mpl 21885 df-opsr 21887 df-psr1 22129 df-vr1 22130 df-ply1 22131 df-coe1 22132 |
| This theorem is referenced by: ply1scln0 22243 mat2pmatf1 22683 facth1 26142 |
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