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| 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 20605. (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 20429 | . . 3 ⊢ (𝑅 ∈ Ring ↔ 𝑂 ∈ Ring) |
| 3 | 2 | anbi1i 635 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (1r‘𝑅) ≠ (0g‘𝑅)) ↔ (𝑂 ∈ Ring ∧ (1r‘𝑅) ≠ (0g‘𝑅))) |
| 4 | eqid 2761 | . . 3 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 5 | eqid 2761 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 6 | 4, 5 | isnzr 20596 | . 2 ⊢ (𝑅 ∈ NzRing ↔ (𝑅 ∈ Ring ∧ (1r‘𝑅) ≠ (0g‘𝑅))) |
| 7 | 1, 4 | oppr1 20431 | . . 3 ⊢ (1r‘𝑅) = (1r‘𝑂) |
| 8 | 1, 5 | oppr0 20430 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑂) |
| 9 | 7, 8 | isnzr 20596 | . 2 ⊢ (𝑂 ∈ NzRing ↔ (𝑂 ∈ Ring ∧ (1r‘𝑅) ≠ (0g‘𝑅))) |
| 10 | 3, 6, 9 | 3bitr4i 306 | 1 ⊢ (𝑅 ∈ NzRing ↔ 𝑂 ∈ NzRing) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ∧ wa 400 = wceq 1568 ∈ wcel 2141 ≠ wne 2956 ‘cfv 6536 0gc0g 17491 1rcur 20262 Ringcrg 20314 opprcoppr 20417 NzRingcnzr 20594 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5256 ax-nul 5268 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2095 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7862 df-2nd 7986 df-tpos 8221 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8693 df-en 8943 df-dom 8944 df-sdom 8945 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-nn 12233 df-2 12302 df-3 12303 df-sets 17223 df-slot 17241 df-ndx 17253 df-base 17269 df-plusg 17322 df-mulr 17323 df-0g 17493 df-mgm 18697 df-sgrp 18776 df-mnd 18792 df-grp 19002 df-minusg 19003 df-cmn 19851 df-abl 19852 df-mgp 20216 df-rng 20230 df-ur 20263 df-ring 20316 df-oppr 20418 df-nzr 20595 |
| This theorem is referenced by: opprnzr 20605 opprdomnb 20800 isdomn4r 20802 |
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