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Mirrors > Home > MPE Home > Th. List > rsp1 | Structured version Visualization version GIF version |
Description: The span of the identity element is the unit ideal. (Contributed by Stefan O'Rear, 3-Jan-2015.) |
Ref | Expression |
---|---|
rspcl.k | ⊢ 𝐾 = (RSpan‘𝑅) |
rspcl.b | ⊢ 𝐵 = (Base‘𝑅) |
rsp1.o | ⊢ 1 = (1r‘𝑅) |
Ref | Expression |
---|---|
rsp1 | ⊢ (𝑅 ∈ Ring → (𝐾‘{ 1 }) = 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rspcl.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑅) | |
2 | rsp1.o | . . . . . 6 ⊢ 1 = (1r‘𝑅) | |
3 | 1, 2 | ringidcl 19390 | . . . . 5 ⊢ (𝑅 ∈ Ring → 1 ∈ 𝐵) |
4 | 3 | snssd 4700 | . . . 4 ⊢ (𝑅 ∈ Ring → { 1 } ⊆ 𝐵) |
5 | rspcl.k | . . . . 5 ⊢ 𝐾 = (RSpan‘𝑅) | |
6 | 5, 1 | rspssid 20065 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ { 1 } ⊆ 𝐵) → { 1 } ⊆ (𝐾‘{ 1 })) |
7 | 4, 6 | mpdan 687 | . . 3 ⊢ (𝑅 ∈ Ring → { 1 } ⊆ (𝐾‘{ 1 })) |
8 | 2 | fvexi 6673 | . . . 4 ⊢ 1 ∈ V |
9 | 8 | snss 4677 | . . 3 ⊢ ( 1 ∈ (𝐾‘{ 1 }) ↔ { 1 } ⊆ (𝐾‘{ 1 })) |
10 | 7, 9 | sylibr 237 | . 2 ⊢ (𝑅 ∈ Ring → 1 ∈ (𝐾‘{ 1 })) |
11 | eqid 2759 | . . . . 5 ⊢ (LIdeal‘𝑅) = (LIdeal‘𝑅) | |
12 | 5, 1, 11 | rspcl 20064 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ { 1 } ⊆ 𝐵) → (𝐾‘{ 1 }) ∈ (LIdeal‘𝑅)) |
13 | 4, 12 | mpdan 687 | . . 3 ⊢ (𝑅 ∈ Ring → (𝐾‘{ 1 }) ∈ (LIdeal‘𝑅)) |
14 | 11, 1, 2 | lidl1el 20060 | . . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝐾‘{ 1 }) ∈ (LIdeal‘𝑅)) → ( 1 ∈ (𝐾‘{ 1 }) ↔ (𝐾‘{ 1 }) = 𝐵)) |
15 | 13, 14 | mpdan 687 | . 2 ⊢ (𝑅 ∈ Ring → ( 1 ∈ (𝐾‘{ 1 }) ↔ (𝐾‘{ 1 }) = 𝐵)) |
16 | 10, 15 | mpbid 235 | 1 ⊢ (𝑅 ∈ Ring → (𝐾‘{ 1 }) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 = wceq 1539 ∈ wcel 2112 ⊆ wss 3859 {csn 4523 ‘cfv 6336 Basecbs 16542 1rcur 19320 Ringcrg 19366 LIdealclidl 20011 RSpancrsp 20012 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1912 ax-6 1971 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2159 ax-12 2176 ax-ext 2730 ax-rep 5157 ax-sep 5170 ax-nul 5177 ax-pow 5235 ax-pr 5299 ax-un 7460 ax-cnex 10632 ax-resscn 10633 ax-1cn 10634 ax-icn 10635 ax-addcl 10636 ax-addrcl 10637 ax-mulcl 10638 ax-mulrcl 10639 ax-mulcom 10640 ax-addass 10641 ax-mulass 10642 ax-distr 10643 ax-i2m1 10644 ax-1ne0 10645 ax-1rid 10646 ax-rnegex 10647 ax-rrecex 10648 ax-cnre 10649 ax-pre-lttri 10650 ax-pre-lttrn 10651 ax-pre-ltadd 10652 ax-pre-mulgt0 10653 |
This theorem depends on definitions: df-bi 210 df-an 401 df-or 846 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2071 df-mo 2558 df-eu 2589 df-clab 2737 df-cleq 2751 df-clel 2831 df-nfc 2902 df-ne 2953 df-nel 3057 df-ral 3076 df-rex 3077 df-reu 3078 df-rmo 3079 df-rab 3080 df-v 3412 df-sbc 3698 df-csb 3807 df-dif 3862 df-un 3864 df-in 3866 df-ss 3876 df-pss 3878 df-nul 4227 df-if 4422 df-pw 4497 df-sn 4524 df-pr 4526 df-tp 4528 df-op 4530 df-uni 4800 df-int 4840 df-iun 4886 df-br 5034 df-opab 5096 df-mpt 5114 df-tr 5140 df-id 5431 df-eprel 5436 df-po 5444 df-so 5445 df-fr 5484 df-we 5486 df-xp 5531 df-rel 5532 df-cnv 5533 df-co 5534 df-dm 5535 df-rn 5536 df-res 5537 df-ima 5538 df-pred 6127 df-ord 6173 df-on 6174 df-lim 6175 df-suc 6176 df-iota 6295 df-fun 6338 df-fn 6339 df-f 6340 df-f1 6341 df-fo 6342 df-f1o 6343 df-fv 6344 df-riota 7109 df-ov 7154 df-oprab 7155 df-mpo 7156 df-om 7581 df-1st 7694 df-2nd 7695 df-wrecs 7958 df-recs 8019 df-rdg 8057 df-er 8300 df-en 8529 df-dom 8530 df-sdom 8531 df-pnf 10716 df-mnf 10717 df-xr 10718 df-ltxr 10719 df-le 10720 df-sub 10911 df-neg 10912 df-nn 11676 df-2 11738 df-3 11739 df-4 11740 df-5 11741 df-6 11742 df-7 11743 df-8 11744 df-ndx 16545 df-slot 16546 df-base 16548 df-sets 16549 df-ress 16550 df-plusg 16637 df-mulr 16638 df-sca 16640 df-vsca 16641 df-ip 16642 df-0g 16774 df-mgm 17919 df-sgrp 17968 df-mnd 17979 df-grp 18173 df-minusg 18174 df-sbg 18175 df-subg 18344 df-mgp 19309 df-ur 19321 df-ring 19368 df-subrg 19602 df-lmod 19705 df-lss 19773 df-lsp 19813 df-sra 20013 df-rgmod 20014 df-lidl 20015 df-rsp 20016 |
This theorem is referenced by: lpi1 20090 rgmoddim 31215 zarcmplem 31353 |
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