| Mathbox for Alexander van der Vekens |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 2zrngamnd | Structured version Visualization version GIF version | ||
| Description: R is an (additive) monoid. (Contributed by AV, 11-Feb-2020.) |
| Ref | Expression |
|---|---|
| 2zrng.e | ⊢ 𝐸 = {𝑧 ∈ ℤ ∣ ∃𝑥 ∈ ℤ 𝑧 = (2 · 𝑥)} |
| 2zrngbas.r | ⊢ 𝑅 = (ℂfld ↾s 𝐸) |
| Ref | Expression |
|---|---|
| 2zrngamnd | ⊢ 𝑅 ∈ Mnd |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2zrng.e | . . 3 ⊢ 𝐸 = {𝑧 ∈ ℤ ∣ ∃𝑥 ∈ ℤ 𝑧 = (2 · 𝑥)} | |
| 2 | 2zrngbas.r | . . 3 ⊢ 𝑅 = (ℂfld ↾s 𝐸) | |
| 3 | 1, 2 | 2zrngasgrp 49265 | . 2 ⊢ 𝑅 ∈ Smgrp |
| 4 | 1 | 0even 49256 | . . 3 ⊢ 0 ∈ 𝐸 |
| 5 | id 23 | . . . 4 ⊢ (0 ∈ 𝐸 → 0 ∈ 𝐸) | |
| 6 | oveq1 7415 | . . . . . . 7 ⊢ (𝑥 = 0 → (𝑥 + 𝑦) = (0 + 𝑦)) | |
| 7 | 6 | eqeq1d 2762 | . . . . . 6 ⊢ (𝑥 = 0 → ((𝑥 + 𝑦) = 𝑦 ↔ (0 + 𝑦) = 𝑦)) |
| 8 | 7 | ovanraleqv 7432 | . . . . 5 ⊢ (𝑥 = 0 → (∀𝑦 ∈ 𝐸 ((𝑥 + 𝑦) = 𝑦 ∧ (𝑦 + 𝑥) = 𝑦) ↔ ∀𝑦 ∈ 𝐸 ((0 + 𝑦) = 𝑦 ∧ (𝑦 + 0) = 𝑦))) |
| 9 | 8 | adantl 487 | . . . 4 ⊢ ((0 ∈ 𝐸 ∧ 𝑥 = 0) → (∀𝑦 ∈ 𝐸 ((𝑥 + 𝑦) = 𝑦 ∧ (𝑦 + 𝑥) = 𝑦) ↔ ∀𝑦 ∈ 𝐸 ((0 + 𝑦) = 𝑦 ∧ (𝑦 + 0) = 𝑦))) |
| 10 | elrabi 3640 | . . . . . . . . 9 ⊢ (𝑦 ∈ {𝑧 ∈ ℤ ∣ ∃𝑥 ∈ ℤ 𝑧 = (2 · 𝑥)} → 𝑦 ∈ ℤ) | |
| 11 | 10, 1 | eleq2s 2878 | . . . . . . . 8 ⊢ (𝑦 ∈ 𝐸 → 𝑦 ∈ ℤ) |
| 12 | 11 | zcnd 12773 | . . . . . . 7 ⊢ (𝑦 ∈ 𝐸 → 𝑦 ∈ ℂ) |
| 13 | addlid 11464 | . . . . . . . 8 ⊢ (𝑦 ∈ ℂ → (0 + 𝑦) = 𝑦) | |
| 14 | addrid 11461 | . . . . . . . 8 ⊢ (𝑦 ∈ ℂ → (𝑦 + 0) = 𝑦) | |
| 15 | 13, 14 | jca 521 | . . . . . . 7 ⊢ (𝑦 ∈ ℂ → ((0 + 𝑦) = 𝑦 ∧ (𝑦 + 0) = 𝑦)) |
| 16 | 12, 15 | syl 18 | . . . . . 6 ⊢ (𝑦 ∈ 𝐸 → ((0 + 𝑦) = 𝑦 ∧ (𝑦 + 0) = 𝑦)) |
| 17 | 16 | adantl 487 | . . . . 5 ⊢ ((0 ∈ 𝐸 ∧ 𝑦 ∈ 𝐸) → ((0 + 𝑦) = 𝑦 ∧ (𝑦 + 0) = 𝑦)) |
| 18 | 17 | ralrimiva 3154 | . . . 4 ⊢ (0 ∈ 𝐸 → ∀𝑦 ∈ 𝐸 ((0 + 𝑦) = 𝑦 ∧ (𝑦 + 0) = 𝑦)) |
| 19 | 5, 9, 18 | rspcedvd 3578 | . . 3 ⊢ (0 ∈ 𝐸 → ∃𝑥 ∈ 𝐸 ∀𝑦 ∈ 𝐸 ((𝑥 + 𝑦) = 𝑦 ∧ (𝑦 + 𝑥) = 𝑦)) |
| 20 | 4, 19 | ax-mp 5 | . 2 ⊢ ∃𝑥 ∈ 𝐸 ∀𝑦 ∈ 𝐸 ((𝑥 + 𝑦) = 𝑦 ∧ (𝑦 + 𝑥) = 𝑦) |
| 21 | 1, 2 | 2zrngbas 49261 | . . 3 ⊢ 𝐸 = (Base‘𝑅) |
| 22 | 1, 2 | 2zrngadd 49262 | . . 3 ⊢ + = (+g‘𝑅) |
| 23 | 21, 22 | ismnddef 18886 | . 2 ⊢ (𝑅 ∈ Mnd ↔ (𝑅 ∈ Smgrp ∧ ∃𝑥 ∈ 𝐸 ∀𝑦 ∈ 𝐸 ((𝑥 + 𝑦) = 𝑦 ∧ (𝑦 + 𝑥) = 𝑦))) |
| 24 | 3, 20, 23 | mpbir2an 724 | 1 ⊢ 𝑅 ∈ Mnd |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3076 ∃wrex 3086 {crab 3412 (class class class)co 7408 ℂcc 11169 0cc0 11171 + caddc 11174 · cmul 11176 2c2 12366 ℤcz 12662 ↾s cress 17369 Smgrpcsgrp 18868 Mndcmnd 18884 ℂfldccnfld 21639 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-cnex 11227 ax-resscn 11228 ax-1cn 11229 ax-icn 11230 ax-addcl 11231 ax-addrcl 11232 ax-mulcl 11233 ax-mulrcl 11234 ax-mulcom 11235 ax-addass 11236 ax-mulass 11237 ax-distr 11238 ax-i2m1 11239 ax-1ne0 11240 ax-1rid 11241 ax-rnegex 11242 ax-rrecex 11243 ax-cnre 11244 ax-pre-lttri 11245 ax-pre-lttrn 11246 ax-pre-ltadd 11247 ax-pre-mulgt0 11248 ax-addf 11250 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-tp 4588 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7861 df-1st 7984 df-2nd 7985 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8454 df-er 8695 df-en 8952 df-dom 8953 df-sdom 8954 df-fin 8955 df-pnf 11316 df-mnf 11317 df-xr 11318 df-ltxr 11319 df-le 11320 df-sub 11514 df-neg 11515 df-nn 12305 df-2 12374 df-3 12375 df-4 12376 df-5 12377 df-6 12378 df-7 12379 df-8 12380 df-9 12381 df-n0 12576 df-z 12663 df-dec 12784 df-uz 12935 df-fz 13609 df-struct 17286 df-sets 17303 df-slot 17321 df-ndx 17333 df-base 17349 df-ress 17370 df-plusg 17402 df-mulr 17403 df-starv 17404 df-tset 17408 df-ple 17409 df-ds 17411 df-unif 17412 df-mgm 18777 df-sgrp 18869 df-mnd 18885 df-cnfld 21640 |
| This theorem is used by: 2zrngacmnd 49267 2zrngagrp 49268 |
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