| 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 49148 | . 2 ⊢ 𝑅 ∈ Smgrp |
| 4 | 1 | 0even 49139 | . . 3 ⊢ 0 ∈ 𝐸 |
| 5 | id 23 | . . . 4 ⊢ (0 ∈ 𝐸 → 0 ∈ 𝐸) | |
| 6 | oveq1 7423 | . . . . . . 7 ⊢ (𝑥 = 0 → (𝑥 + 𝑦) = (0 + 𝑦)) | |
| 7 | 6 | eqeq1d 2764 | . . . . . 6 ⊢ (𝑥 = 0 → ((𝑥 + 𝑦) = 𝑦 ↔ (0 + 𝑦) = 𝑦)) |
| 8 | 7 | ovanraleqv 7440 | . . . . 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 3644 | . . . . . . . . 9 ⊢ (𝑦 ∈ {𝑧 ∈ ℤ ∣ ∃𝑥 ∈ ℤ 𝑧 = (2 · 𝑥)} → 𝑦 ∈ ℤ) | |
| 11 | 10, 1 | eleq2s 2880 | . . . . . . . 8 ⊢ (𝑦 ∈ 𝐸 → 𝑦 ∈ ℤ) |
| 12 | 11 | zcnd 12729 | . . . . . . 7 ⊢ (𝑦 ∈ 𝐸 → 𝑦 ∈ ℂ) |
| 13 | addlid 11420 | . . . . . . . 8 ⊢ (𝑦 ∈ ℂ → (0 + 𝑦) = 𝑦) | |
| 14 | addrid 11417 | . . . . . . . 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 3156 | . . . 4 ⊢ (0 ∈ 𝐸 → ∀𝑦 ∈ 𝐸 ((0 + 𝑦) = 𝑦 ∧ (𝑦 + 0) = 𝑦)) |
| 19 | 5, 9, 18 | rspcedvd 3581 | . . 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 49144 | . . 3 ⊢ 𝐸 = (Base‘𝑅) |
| 22 | 1, 2 | 2zrngadd 49145 | . . 3 ⊢ + = (+g‘𝑅) |
| 23 | 21, 22 | ismnddef 18840 | . 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 3078 ∃wrex 3088 {crab 3414 (class class class)co 7416 ℂcc 11125 0cc0 11127 + caddc 11130 · cmul 11132 2c2 12322 ℤcz 12618 ↾s cress 17326 Smgrpcsgrp 18822 Mndcmnd 18838 ℂfldccnfld 21586 |
| 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 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 ax-addf 11206 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-tp 4592 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7866 df-1st 7989 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8458 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-fin 8959 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-3 12331 df-4 12332 df-5 12333 df-6 12334 df-7 12335 df-8 12336 df-9 12337 df-n0 12532 df-z 12619 df-dec 12740 df-uz 12891 df-fz 13564 df-struct 17243 df-sets 17260 df-slot 17278 df-ndx 17290 df-base 17306 df-ress 17327 df-plusg 17359 df-mulr 17360 df-starv 17361 df-tset 17365 df-ple 17366 df-ds 17368 df-unif 17369 df-mgm 18734 df-sgrp 18823 df-mnd 18839 df-cnfld 21587 |
| This theorem is used by: 2zrngacmnd 49150 2zrngagrp 49151 |
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