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Mirrors > Home > MPE Home > Th. List > nzrring | Structured version Visualization version GIF version |
Description: A nonzero ring is a ring. (Contributed by Stefan O'Rear, 24-Feb-2015.) |
Ref | Expression |
---|---|
nzrring | ⊢ (𝑅 ∈ NzRing → 𝑅 ∈ Ring) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2798 | . . 3 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
2 | eqid 2798 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
3 | 1, 2 | isnzr 20025 | . 2 ⊢ (𝑅 ∈ NzRing ↔ (𝑅 ∈ Ring ∧ (1r‘𝑅) ≠ (0g‘𝑅))) |
4 | 3 | simplbi 501 | 1 ⊢ (𝑅 ∈ NzRing → 𝑅 ∈ Ring) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2111 ≠ wne 2987 ‘cfv 6324 0gc0g 16705 1rcur 19244 Ringcrg 19290 NzRingcnzr 20023 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-rab 3115 df-v 3443 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-iota 6283 df-fv 6332 df-nzr 20024 |
This theorem is referenced by: opprnzr 20031 nzrunit 20033 domnring 20062 domnchr 20224 uvcf1 20481 lindfind2 20507 frlmisfrlm 20537 nminvr 23275 deg1pw 24721 ply1nz 24722 ply1remlem 24763 ply1rem 24764 facth1 24765 fta1glem1 24766 fta1glem2 24767 prmidl0 31034 krull 31051 zrhnm 31320 uvcn0 39455 0prjspnlem 39612 mon1pid 40149 mon1psubm 40150 nzrneg1ne0 44493 islindeps2 44892 |
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