| 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 49546 | . 2 ⊢ 𝑅 ∈ Smgrp |
| 4 | 1 | 0even 49537 | . . 3 ⊢ 0 ∈ 𝐸 |
| 5 | id 23 | . . . 4 ⊢ (0 ∈ 𝐸 → 0 ∈ 𝐸) | |
| 6 | oveq1 7447 | . . . . . . 7 ⊢ (𝑥 = 0 → (𝑥 + 𝑦) = (0 + 𝑦)) | |
| 7 | 6 | eqeq1d 2765 | . . . . . 6 ⊢ (𝑥 = 0 → ((𝑥 + 𝑦) = 𝑦 ↔ (0 + 𝑦) = 𝑦)) |
| 8 | 7 | ovanraleqv 7464 | . . . . 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 2882 | . . . . . . . 8 ⊢ (𝑦 ∈ 𝐸 → 𝑦 ∈ ℤ) |
| 12 | 11 | zcnd 12828 | . . . . . . 7 ⊢ (𝑦 ∈ 𝐸 → 𝑦 ∈ ℂ) |
| 13 | addlid 11517 | . . . . . . . 8 ⊢ (𝑦 ∈ ℂ → (0 + 𝑦) = 𝑦) | |
| 14 | addrid 11514 | . . . . . . . 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 3158 | . . . 4 ⊢ (0 ∈ 𝐸 → ∀𝑦 ∈ 𝐸 ((0 + 𝑦) = 𝑦 ∧ (𝑦 + 0) = 𝑦)) |
| 19 | 5, 9, 18 | rspcedvd 3582 | . . 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 49542 | . . 3 ⊢ 𝐸 = (Base‘𝑅) |
| 22 | 1, 2 | 2zrngadd 49543 | . . 3 ⊢ + = (+g‘𝑅) |
| 23 | 21, 22 | ismnddef 18951 | . 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 2147 ∀wral 3080 ∃wrex 3090 {crab 3416 (class class class)co 7440 ℂcc 11222 0cc0 11224 + caddc 11227 · cmul 11229 2c2 12421 ℤcz 12717 ↾s cress 17434 Smgrpcsgrp 18933 Mndcmnd 18949 ℂfldccnfld 21705 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 ax-cnex 11280 ax-resscn 11281 ax-1cn 11282 ax-icn 11283 ax-addcl 11284 ax-addrcl 11285 ax-mulcl 11286 ax-mulrcl 11287 ax-mulcom 11288 ax-addass 11289 ax-mulass 11290 ax-distr 11291 ax-i2m1 11292 ax-1ne0 11293 ax-1rid 11294 ax-rnegex 11295 ax-rrecex 11296 ax-cnre 11297 ax-pre-lttri 11298 ax-pre-lttrn 11299 ax-pre-ltadd 11300 ax-pre-mulgt0 11301 ax-addf 11303 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6319 df-ord 6380 df-on 6381 df-lim 6382 df-suc 6383 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-riota 7397 df-ov 7443 df-oprab 7444 df-mpo 7445 df-om 7899 df-1st 8022 df-2nd 8023 df-frecs 8324 df-wrecs 8355 df-recs 8404 df-rdg 8443 df-1o 8501 df-er 8742 df-en 8999 df-dom 9000 df-sdom 9001 df-fin 9002 df-pnf 11369 df-mnf 11370 df-xr 11371 df-ltxr 11372 df-le 11373 df-sub 11567 df-neg 11568 df-nn 12360 df-2 12429 df-3 12430 df-4 12431 df-5 12432 df-6 12433 df-7 12434 df-8 12435 df-9 12436 df-n0 12631 df-z 12718 df-dec 12839 df-uz 12990 df-fz 13664 df-struct 17351 df-sets 17368 df-slot 17386 df-ndx 17398 df-base 17414 df-ress 17435 df-plusg 17467 df-mulr 17468 df-starv 17469 df-tset 17473 df-ple 17474 df-ds 17476 df-unif 17477 df-mgm 18842 df-sgrp 18934 df-mnd 18950 df-cnfld 21706 |
| This theorem is used by: 2zrngacmnd 49548 2zrngagrp 49549 |
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