| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > aprirr | GIF version | ||
| Description: The apartness relation given by df-apr 14573 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 14292 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Grp) |
| 3 | aprirr.x | . . . . 5 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 4 | aprirr.b | . . . . 5 ⊢ (𝜑 → 𝐵 = (Base‘𝑅)) | |
| 5 | 3, 4 | eleqtrd 2317 | . . . 4 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝑅)) |
| 6 | eqid 2238 | . . . . 5 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 7 | eqid 2238 | . . . . 5 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 8 | eqid 2238 | . . . . 5 ⊢ (-g‘𝑅) = (-g‘𝑅) | |
| 9 | 6, 7, 8 | grpsubid 13872 | . . . 4 ⊢ ((𝑅 ∈ Grp ∧ 𝑋 ∈ (Base‘𝑅)) → (𝑋(-g‘𝑅)𝑋) = (0g‘𝑅)) |
| 10 | 2, 5, 9 | syl2anc 415 | . . 3 ⊢ (𝜑 → (𝑋(-g‘𝑅)𝑋) = (0g‘𝑅)) |
| 11 | aprirr.nz | . . . . 5 ⊢ (𝜑 → (1r‘𝑅) ≠ (0g‘𝑅)) | |
| 12 | 11 | neneqd 2441 | . . . 4 ⊢ (𝜑 → ¬ (1r‘𝑅) = (0g‘𝑅)) |
| 13 | eqid 2238 | . . . . . 6 ⊢ (Unit‘𝑅) = (Unit‘𝑅) | |
| 14 | eqid 2238 | . . . . . 6 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 15 | 13, 7, 14 | 0unit 14419 | . . . . 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 684 | . . 3 ⊢ (𝜑 → ¬ (0g‘𝑅) ∈ (Unit‘𝑅)) |
| 18 | 10, 17 | eqneltrd 2334 | . 2 ⊢ (𝜑 → ¬ (𝑋(-g‘𝑅)𝑋) ∈ (Unit‘𝑅)) |
| 19 | aprirr.ap | . . 3 ⊢ (𝜑 → # = (#r‘𝑅)) | |
| 20 | eqidd 2239 | . . 3 ⊢ (𝜑 → (-g‘𝑅) = (-g‘𝑅)) | |
| 21 | eqidd 2239 | . . 3 ⊢ (𝜑 → (Unit‘𝑅) = (Unit‘𝑅)) | |
| 22 | 4, 19, 20, 21, 1, 3, 3 | aprval 14574 | . 2 ⊢ (𝜑 → (𝑋 # 𝑋 ↔ (𝑋(-g‘𝑅)𝑋) ∈ (Unit‘𝑅))) |
| 23 | 18, 22 | mtbird 684 | 1 ⊢ (𝜑 → ¬ 𝑋 # 𝑋) |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 3 → wi 4 ↔ wb 105 = wceq 1402 ∈ wcel 2209 ≠ wne 2420 class class class wbr 4128 ‘cfv 5375 (class class class)co 6079 Basecbs 13335 0gc0g 13593 Grpcgrp 13788 -gcsg 13790 1rcur 14245 Ringcrg 14283 Unitcui 14376 #rcapr 14572 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-nul 4257 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-addass 8275 ax-i2m1 8278 ax-0lt1 8279 ax-0id 8281 ax-rnegex 8282 ax-pre-ltirr 8285 ax-pre-lttrn 8287 ax-pre-ltadd 8289 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-1st 6368 df-2nd 6369 df-tpos 6510 df-pnf 8356 df-mnf 8357 df-ltxr 8359 df-inn 9288 df-2 9346 df-3 9347 df-ndx 13338 df-slot 13339 df-base 13341 df-sets 13342 df-iress 13343 df-plusg 13427 df-mulr 13428 df-0g 13595 df-mgm 13659 df-sgrp 13700 df-mnd 13713 df-grp 13791 df-minusg 13792 df-sbg 13793 df-cmn 14072 df-abl 14073 df-mgp 14201 df-ur 14246 df-srg 14251 df-ring 14285 df-oppr 14356 df-dvdsr 14378 df-unit 14379 df-invr 14411 df-apr 14573 |
| This theorem is referenced by: aprap 14581 |
| Copyright terms: Public domain | W3C validator |