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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 20453 | . 2 ⊢ (𝑅 ∈ Ring → 𝐴:𝐾⟶𝐵) |
6 | fveq2 6670 | . . . . 5 ⊢ ((𝐴‘𝑥) = (𝐴‘𝑦) → (coe1‘(𝐴‘𝑥)) = (coe1‘(𝐴‘𝑦))) | |
7 | 6 | fveq1d 6672 | . . . 4 ⊢ ((𝐴‘𝑥) = (𝐴‘𝑦) → ((coe1‘(𝐴‘𝑥))‘0) = ((coe1‘(𝐴‘𝑦))‘0)) |
8 | 1, 2, 3 | ply1sclid 20456 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝐾) → 𝑥 = ((coe1‘(𝐴‘𝑥))‘0)) |
9 | 8 | adantrr 715 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → 𝑥 = ((coe1‘(𝐴‘𝑥))‘0)) |
10 | 1, 2, 3 | ply1sclid 20456 | . . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝑦 ∈ 𝐾) → 𝑦 = ((coe1‘(𝐴‘𝑦))‘0)) |
11 | 10 | adantrl 714 | . . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → 𝑦 = ((coe1‘(𝐴‘𝑦))‘0)) |
12 | 9, 11 | eqeq12d 2837 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → (𝑥 = 𝑦 ↔ ((coe1‘(𝐴‘𝑥))‘0) = ((coe1‘(𝐴‘𝑦))‘0))) |
13 | 7, 12 | syl5ibr 248 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐾)) → ((𝐴‘𝑥) = (𝐴‘𝑦) → 𝑥 = 𝑦)) |
14 | 13 | ralrimivva 3191 | . 2 ⊢ (𝑅 ∈ Ring → ∀𝑥 ∈ 𝐾 ∀𝑦 ∈ 𝐾 ((𝐴‘𝑥) = (𝐴‘𝑦) → 𝑥 = 𝑦)) |
15 | dff13 7013 | . 2 ⊢ (𝐴:𝐾–1-1→𝐵 ↔ (𝐴:𝐾⟶𝐵 ∧ ∀𝑥 ∈ 𝐾 ∀𝑦 ∈ 𝐾 ((𝐴‘𝑥) = (𝐴‘𝑦) → 𝑥 = 𝑦))) | |
16 | 5, 14, 15 | sylanbrc 585 | 1 ⊢ (𝑅 ∈ Ring → 𝐴:𝐾–1-1→𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ∀wral 3138 ⟶wf 6351 –1-1→wf1 6352 ‘cfv 6355 0cc0 10537 Basecbs 16483 Ringcrg 19297 algSccascl 20084 Poly1cpl1 20345 coe1cco1 20346 |
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-iin 4922 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-se 5515 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-isom 6364 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-of 7409 df-ofr 7410 df-om 7581 df-1st 7689 df-2nd 7690 df-supp 7831 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-1o 8102 df-2o 8103 df-oadd 8106 df-er 8289 df-map 8408 df-pm 8409 df-ixp 8462 df-en 8510 df-dom 8511 df-sdom 8512 df-fin 8513 df-fsupp 8834 df-oi 8974 df-card 9368 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-fzo 13035 df-seq 13371 df-hash 13692 df-struct 16485 df-ndx 16486 df-slot 16487 df-base 16489 df-sets 16490 df-ress 16491 df-plusg 16578 df-mulr 16579 df-sca 16581 df-vsca 16582 df-tset 16584 df-ple 16585 df-0g 16715 df-gsum 16716 df-mre 16857 df-mrc 16858 df-acs 16860 df-mgm 17852 df-sgrp 17901 df-mnd 17912 df-mhm 17956 df-submnd 17957 df-grp 18106 df-minusg 18107 df-sbg 18108 df-mulg 18225 df-subg 18276 df-ghm 18356 df-cntz 18447 df-cmn 18908 df-abl 18909 df-mgp 19240 df-ur 19252 df-ring 19299 df-subrg 19533 df-lmod 19636 df-lss 19704 df-ascl 20087 df-psr 20136 df-mvr 20137 df-mpl 20138 df-opsr 20140 df-psr1 20348 df-vr1 20349 df-ply1 20350 df-coe1 20351 |
This theorem is referenced by: ply1scln0 20459 mat2pmatf1 21337 facth1 24758 |
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