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Mirrors > Home > MPE Home > Th. List > Mathboxes > uvcn0 | Structured version Visualization version GIF version |
Description: A unit vector is nonzero. (Contributed by Steven Nguyen, 16-Jul-2023.) |
Ref | Expression |
---|---|
uvcn0.u | ⊢ 𝑈 = (𝑅 unitVec 𝐼) |
uvcn0.y | ⊢ 𝑌 = (𝑅 freeLMod 𝐼) |
uvcn0.b | ⊢ 𝐵 = (Base‘𝑌) |
uvcn0.0 | ⊢ 0 = (0g‘𝑌) |
Ref | Expression |
---|---|
uvcn0 | ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → (𝑈‘𝐽) ≠ 0 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2821 | . . . . 5 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
2 | eqid 2821 | . . . . 5 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
3 | 1, 2 | nzrnz 20033 | . . . 4 ⊢ (𝑅 ∈ NzRing → (1r‘𝑅) ≠ (0g‘𝑅)) |
4 | 3 | 3ad2ant1 1129 | . . 3 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → (1r‘𝑅) ≠ (0g‘𝑅)) |
5 | uvcn0.u | . . . 4 ⊢ 𝑈 = (𝑅 unitVec 𝐼) | |
6 | simp1 1132 | . . . 4 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → 𝑅 ∈ NzRing) | |
7 | simp2 1133 | . . . 4 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → 𝐼 ∈ 𝑊) | |
8 | simp3 1134 | . . . 4 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → 𝐽 ∈ 𝐼) | |
9 | 5, 6, 7, 8, 1 | uvcvv1 20933 | . . 3 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → ((𝑈‘𝐽)‘𝐽) = (1r‘𝑅)) |
10 | nzrring 20034 | . . . . . . . 8 ⊢ (𝑅 ∈ NzRing → 𝑅 ∈ Ring) | |
11 | 10 | 3ad2ant1 1129 | . . . . . . 7 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → 𝑅 ∈ Ring) |
12 | uvcn0.y | . . . . . . . 8 ⊢ 𝑌 = (𝑅 freeLMod 𝐼) | |
13 | 12, 2 | frlm0 20898 | . . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (𝐼 × {(0g‘𝑅)}) = (0g‘𝑌)) |
14 | 11, 7, 13 | syl2anc 586 | . . . . . 6 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → (𝐼 × {(0g‘𝑅)}) = (0g‘𝑌)) |
15 | uvcn0.0 | . . . . . 6 ⊢ 0 = (0g‘𝑌) | |
16 | 14, 15 | syl6reqr 2875 | . . . . 5 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → 0 = (𝐼 × {(0g‘𝑅)})) |
17 | 16 | fveq1d 6672 | . . . 4 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → ( 0 ‘𝐽) = ((𝐼 × {(0g‘𝑅)})‘𝐽)) |
18 | fvex 6683 | . . . . . 6 ⊢ (0g‘𝑅) ∈ V | |
19 | 18 | fvconst2 6966 | . . . . 5 ⊢ (𝐽 ∈ 𝐼 → ((𝐼 × {(0g‘𝑅)})‘𝐽) = (0g‘𝑅)) |
20 | 8, 19 | syl 17 | . . . 4 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → ((𝐼 × {(0g‘𝑅)})‘𝐽) = (0g‘𝑅)) |
21 | 17, 20 | eqtrd 2856 | . . 3 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → ( 0 ‘𝐽) = (0g‘𝑅)) |
22 | 4, 9, 21 | 3netr4d 3093 | . 2 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → ((𝑈‘𝐽)‘𝐽) ≠ ( 0 ‘𝐽)) |
23 | fveq1 6669 | . . 3 ⊢ ((𝑈‘𝐽) = 0 → ((𝑈‘𝐽)‘𝐽) = ( 0 ‘𝐽)) | |
24 | 23 | adantl 484 | . 2 ⊢ (((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) ∧ (𝑈‘𝐽) = 0 ) → ((𝑈‘𝐽)‘𝐽) = ( 0 ‘𝐽)) |
25 | 22, 24 | mteqand 3122 | 1 ⊢ ((𝑅 ∈ NzRing ∧ 𝐼 ∈ 𝑊 ∧ 𝐽 ∈ 𝐼) → (𝑈‘𝐽) ≠ 0 ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1083 = wceq 1537 ∈ wcel 2114 ≠ wne 3016 {csn 4567 × cxp 5553 ‘cfv 6355 (class class class)co 7156 Basecbs 16483 0gc0g 16713 1rcur 19251 Ringcrg 19297 NzRingcnzr 20030 freeLMod cfrlm 20890 unitVec cuvc 20926 |
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-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-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-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-1o 8102 df-oadd 8106 df-er 8289 df-map 8408 df-ixp 8462 df-en 8510 df-dom 8511 df-sdom 8512 df-fin 8513 df-sup 8906 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-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-ip 16583 df-tset 16584 df-ple 16585 df-ds 16587 df-hom 16589 df-cco 16590 df-0g 16715 df-prds 16721 df-pws 16723 df-mgm 17852 df-sgrp 17901 df-mnd 17912 df-grp 18106 df-minusg 18107 df-sbg 18108 df-subg 18276 df-mgp 19240 df-ur 19252 df-ring 19299 df-subrg 19533 df-lmod 19636 df-lss 19704 df-sra 19944 df-rgmod 19945 df-nzr 20031 df-dsmm 20876 df-frlm 20891 df-uvc 20927 |
This theorem is referenced by: 0prjspnlem 39317 |
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