| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > opprnzrb | Structured version Visualization version GIF version | ||
| Description: The opposite of a nonzero ring is nonzero, bidirectional form of opprnzr 20460. (Contributed by SN, 20-Jun-2025.) |
| Ref | Expression |
|---|---|
| opprnzr.1 | ⊢ 𝑂 = (oppr‘𝑅) |
| Ref | Expression |
|---|---|
| opprnzrb | ⊢ (𝑅 ∈ NzRing ↔ 𝑂 ∈ NzRing) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opprnzr.1 | . . . 4 ⊢ 𝑂 = (oppr‘𝑅) | |
| 2 | 1 | opprringb 20289 | . . 3 ⊢ (𝑅 ∈ Ring ↔ 𝑂 ∈ Ring) |
| 3 | 2 | anbi1i 625 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (1r‘𝑅) ≠ (0g‘𝑅)) ↔ (𝑂 ∈ Ring ∧ (1r‘𝑅) ≠ (0g‘𝑅))) |
| 4 | eqid 2737 | . . 3 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 5 | eqid 2737 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 6 | 4, 5 | isnzr 20452 | . 2 ⊢ (𝑅 ∈ NzRing ↔ (𝑅 ∈ Ring ∧ (1r‘𝑅) ≠ (0g‘𝑅))) |
| 7 | 1, 4 | oppr1 20291 | . . 3 ⊢ (1r‘𝑅) = (1r‘𝑂) |
| 8 | 1, 5 | oppr0 20290 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑂) |
| 9 | 7, 8 | isnzr 20452 | . 2 ⊢ (𝑂 ∈ NzRing ↔ (𝑂 ∈ Ring ∧ (1r‘𝑅) ≠ (0g‘𝑅))) |
| 10 | 3, 6, 9 | 3bitr4i 303 | 1 ⊢ (𝑅 ∈ NzRing ↔ 𝑂 ∈ NzRing) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 ‘cfv 6493 0gc0g 17364 1rcur 20121 Ringcrg 20173 opprcoppr 20277 NzRingcnzr 20450 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7683 ax-cnex 11087 ax-resscn 11088 ax-1cn 11089 ax-icn 11090 ax-addcl 11091 ax-addrcl 11092 ax-mulcl 11093 ax-mulrcl 11094 ax-mulcom 11095 ax-addass 11096 ax-mulass 11097 ax-distr 11098 ax-i2m1 11099 ax-1ne0 11100 ax-1rid 11101 ax-rnegex 11102 ax-rrecex 11103 ax-cnre 11104 ax-pre-lttri 11105 ax-pre-lttrn 11106 ax-pre-ltadd 11107 ax-pre-mulgt0 11108 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3062 df-rmo 3351 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-2nd 7937 df-tpos 8171 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-er 8638 df-en 8889 df-dom 8890 df-sdom 8891 df-pnf 11173 df-mnf 11174 df-xr 11175 df-ltxr 11176 df-le 11177 df-sub 11371 df-neg 11372 df-nn 12151 df-2 12213 df-3 12214 df-sets 17096 df-slot 17114 df-ndx 17126 df-base 17142 df-plusg 17195 df-mulr 17196 df-0g 17366 df-mgm 18570 df-sgrp 18649 df-mnd 18665 df-grp 18871 df-minusg 18872 df-cmn 19716 df-abl 19717 df-mgp 20081 df-rng 20093 df-ur 20122 df-ring 20175 df-oppr 20278 df-nzr 20451 |
| This theorem is referenced by: opprnzr 20460 opprdomnb 20655 isdomn4r 20657 |
| Copyright terms: Public domain | W3C validator |