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| Mirrors > Home > ILE Home > Th. List > aprirr | GIF version | ||
| Description: The apartness relation given by df-apr 14416 for a nonzero ring is irreflexive. (Contributed by Jim Kingdon, 16-Feb-2025.) |
| Ref | Expression |
|---|---|
| aprirr.b | ⊢ (𝜑 → 𝐵 = (Base‘𝑅)) |
| aprirr.ap | ⊢ (𝜑 → # = (#r‘𝑅)) |
| aprirr.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| aprirr.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| aprirr.nz | ⊢ (𝜑 → (1r‘𝑅) ≠ (0g‘𝑅)) |
| Ref | Expression |
|---|---|
| aprirr | ⊢ (𝜑 → ¬ 𝑋 # 𝑋) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | aprirr.r | . . . . 5 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 2 | 1 | ringgrpd 14138 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Grp) |
| 3 | aprirr.x | . . . . 5 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 4 | aprirr.b | . . . . 5 ⊢ (𝜑 → 𝐵 = (Base‘𝑅)) | |
| 5 | 3, 4 | eleqtrd 2311 | . . . 4 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝑅)) |
| 6 | eqid 2232 | . . . . 5 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 7 | eqid 2232 | . . . . 5 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 8 | eqid 2232 | . . . . 5 ⊢ (-g‘𝑅) = (-g‘𝑅) | |
| 9 | 6, 7, 8 | grpsubid 13786 | . . . 4 ⊢ ((𝑅 ∈ Grp ∧ 𝑋 ∈ (Base‘𝑅)) → (𝑋(-g‘𝑅)𝑋) = (0g‘𝑅)) |
| 10 | 2, 5, 9 | syl2anc 411 | . . 3 ⊢ (𝜑 → (𝑋(-g‘𝑅)𝑋) = (0g‘𝑅)) |
| 11 | aprirr.nz | . . . . 5 ⊢ (𝜑 → (1r‘𝑅) ≠ (0g‘𝑅)) | |
| 12 | 11 | neneqd 2433 | . . . 4 ⊢ (𝜑 → ¬ (1r‘𝑅) = (0g‘𝑅)) |
| 13 | eqid 2232 | . . . . . 6 ⊢ (Unit‘𝑅) = (Unit‘𝑅) | |
| 14 | eqid 2232 | . . . . . 6 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 15 | 13, 7, 14 | 0unit 14263 | . . . . 5 ⊢ (𝑅 ∈ Ring → ((0g‘𝑅) ∈ (Unit‘𝑅) ↔ (1r‘𝑅) = (0g‘𝑅))) |
| 16 | 1, 15 | syl 14 | . . . 4 ⊢ (𝜑 → ((0g‘𝑅) ∈ (Unit‘𝑅) ↔ (1r‘𝑅) = (0g‘𝑅))) |
| 17 | 12, 16 | mtbird 680 | . . 3 ⊢ (𝜑 → ¬ (0g‘𝑅) ∈ (Unit‘𝑅)) |
| 18 | 10, 17 | eqneltrd 2328 | . 2 ⊢ (𝜑 → ¬ (𝑋(-g‘𝑅)𝑋) ∈ (Unit‘𝑅)) |
| 19 | aprirr.ap | . . 3 ⊢ (𝜑 → # = (#r‘𝑅)) | |
| 20 | eqidd 2233 | . . 3 ⊢ (𝜑 → (-g‘𝑅) = (-g‘𝑅)) | |
| 21 | eqidd 2233 | . . 3 ⊢ (𝜑 → (Unit‘𝑅) = (Unit‘𝑅)) | |
| 22 | 4, 19, 20, 21, 1, 3, 3 | aprval 14417 | . 2 ⊢ (𝜑 → (𝑋 # 𝑋 ↔ (𝑋(-g‘𝑅)𝑋) ∈ (Unit‘𝑅))) |
| 23 | 18, 22 | mtbird 680 | 1 ⊢ (𝜑 → ¬ 𝑋 # 𝑋) |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 3 → wi 4 ↔ wb 105 = wceq 1398 ∈ wcel 2203 ≠ wne 2412 class class class wbr 4108 ‘cfv 5351 (class class class)co 6049 Basecbs 13201 0gc0g 13458 Grpcgrp 13702 -gcsg 13704 1rcur 14092 Ringcrg 14129 Unitcui 14220 #rcapr 14415 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-coll 4224 ax-sep 4227 ax-nul 4235 ax-pow 4286 ax-pr 4321 ax-un 4553 ax-setind 4658 ax-cnex 8214 ax-resscn 8215 ax-1cn 8216 ax-1re 8217 ax-icn 8218 ax-addcl 8219 ax-addrcl 8220 ax-mulcl 8221 ax-addcom 8223 ax-addass 8225 ax-i2m1 8228 ax-0lt1 8229 ax-0id 8231 ax-rnegex 8232 ax-pre-ltirr 8235 ax-pre-lttrn 8237 ax-pre-ltadd 8239 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-reu 2527 df-rmo 2528 df-rab 2529 df-v 2814 df-sbc 3042 df-csb 3138 df-dif 3212 df-un 3214 df-in 3216 df-ss 3223 df-nul 3508 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-int 3949 df-iun 3992 df-br 4109 df-opab 4171 df-mpt 4172 df-id 4413 df-xp 4754 df-rel 4755 df-cnv 4756 df-co 4757 df-dm 4758 df-rn 4759 df-res 4760 df-ima 4761 df-iota 5311 df-fun 5353 df-fn 5354 df-f 5355 df-f1 5356 df-fo 5357 df-f1o 5358 df-fv 5359 df-riota 6002 df-ov 6052 df-oprab 6053 df-mpo 6054 df-1st 6333 df-2nd 6334 df-tpos 6475 df-pnf 8306 df-mnf 8307 df-ltxr 8309 df-inn 9234 df-2 9292 df-3 9293 df-ndx 13204 df-slot 13205 df-base 13207 df-sets 13208 df-iress 13209 df-plusg 13292 df-mulr 13293 df-0g 13460 df-mgm 13558 df-sgrp 13604 df-mnd 13619 df-grp 13705 df-minusg 13706 df-sbg 13707 df-cmn 13992 df-abl 13993 df-mgp 14054 df-ur 14093 df-srg 14097 df-ring 14131 df-oppr 14201 df-dvdsr 14222 df-unit 14223 df-invr 14255 df-apr 14416 |
| This theorem is referenced by: aprap 14421 |
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