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| Mirrors > Home > MPE Home > Th. List > psgneldm2i | Structured version Visualization version GIF version | ||
| Description: A sequence of transpositions describes a finitary permutation. (Contributed by Stefan O'Rear, 28-Aug-2015.) |
| Ref | Expression |
|---|---|
| psgnval.g | ⊢ 𝐺 = (SymGrp‘𝐷) |
| psgnval.t | ⊢ 𝑇 = ran (pmTrsp‘𝐷) |
| psgnval.n | ⊢ 𝑁 = (pmSgn‘𝐷) |
| Ref | Expression |
|---|---|
| psgneldm2i | ⊢ ((𝐷 ∈ 𝑉 ∧ 𝑊 ∈ Word 𝑇) → (𝐺 Σg 𝑊) ∈ dom 𝑁) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2763 | . . 3 ⊢ (𝐺 Σg 𝑊) = (𝐺 Σg 𝑊) | |
| 2 | oveq2 7435 | . . . 4 ⊢ (𝑤 = 𝑊 → (𝐺 Σg 𝑤) = (𝐺 Σg 𝑊)) | |
| 3 | 2 | rspceeqv 3601 | . . 3 ⊢ ((𝑊 ∈ Word 𝑇 ∧ (𝐺 Σg 𝑊) = (𝐺 Σg 𝑊)) → ∃𝑤 ∈ Word 𝑇(𝐺 Σg 𝑊) = (𝐺 Σg 𝑤)) |
| 4 | 1, 3 | mpan2 704 | . 2 ⊢ (𝑊 ∈ Word 𝑇 → ∃𝑤 ∈ Word 𝑇(𝐺 Σg 𝑊) = (𝐺 Σg 𝑤)) |
| 5 | psgnval.g | . . . 4 ⊢ 𝐺 = (SymGrp‘𝐷) | |
| 6 | psgnval.t | . . . 4 ⊢ 𝑇 = ran (pmTrsp‘𝐷) | |
| 7 | psgnval.n | . . . 4 ⊢ 𝑁 = (pmSgn‘𝐷) | |
| 8 | 5, 6, 7 | psgneldm2 19730 | . . 3 ⊢ (𝐷 ∈ 𝑉 → ((𝐺 Σg 𝑊) ∈ dom 𝑁 ↔ ∃𝑤 ∈ Word 𝑇(𝐺 Σg 𝑊) = (𝐺 Σg 𝑤))) |
| 9 | 8 | biimpar 483 | . 2 ⊢ ((𝐷 ∈ 𝑉 ∧ ∃𝑤 ∈ Word 𝑇(𝐺 Σg 𝑊) = (𝐺 Σg 𝑤)) → (𝐺 Σg 𝑊) ∈ dom 𝑁) |
| 10 | 4, 9 | sylan2 605 | 1 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝑊 ∈ Word 𝑇) → (𝐺 Σg 𝑊) ∈ dom 𝑁) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2146 ∃wrex 3089 dom cdm 5654 ran crn 5655 ‘cfv 6546 (class class class)co 7427 Word cword 14668 Σg cgsu 17623 SymGrpcsymg 19595 pmTrspcpmtr 19667 pmSgncpsgn 19715 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-rep 5234 ax-sep 5251 ax-nul 5262 ax-pow 5330 ax-pr 5394 ax-un 7758 ax-cnex 11266 ax-resscn 11267 ax-1cn 11268 ax-icn 11269 ax-addcl 11270 ax-addrcl 11271 ax-mulcl 11272 ax-mulrcl 11273 ax-mulcom 11274 ax-addass 11275 ax-mulass 11276 ax-distr 11277 ax-i2m1 11278 ax-1ne0 11279 ax-1rid 11280 ax-rnegex 11281 ax-rrecex 11282 ax-cnre 11283 ax-pre-lttri 11284 ax-pre-lttrn 11285 ax-pre-ltadd 11286 ax-pre-mulgt0 11287 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-pss 4016 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-tp 4592 df-op 4838 df-uni 4870 df-int 4910 df-iun 4955 df-iin 4956 df-br 5106 df-opab 5170 df-mpt 5189 df-tr 5215 df-id 5549 df-eprel 5554 df-po 5562 df-so 5563 df-fr 5607 df-se 5608 df-we 5609 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6310 df-ord 6371 df-on 6372 df-lim 6373 df-suc 6374 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-isom 6555 df-riota 7384 df-ov 7430 df-oprab 7431 df-mpo 7432 df-om 7885 df-1st 8008 df-2nd 8009 df-frecs 8310 df-wrecs 8341 df-recs 8390 df-rdg 8429 df-1o 8487 df-2o 8488 df-er 8728 df-map 8860 df-en 8985 df-dom 8986 df-sdom 8987 df-fin 8988 df-card 10030 df-pnf 11355 df-mnf 11356 df-xr 11357 df-ltxr 11358 df-le 11359 df-sub 11553 df-neg 11554 df-nn 12346 df-2 12415 df-3 12416 df-4 12417 df-5 12418 df-6 12419 df-7 12420 df-8 12421 df-9 12422 df-n0 12617 df-z 12704 df-uz 12976 df-fz 13650 df-fzo 13799 df-seq 14155 df-hash 14485 df-word 14669 df-concat 14726 df-s1 14753 df-struct 17337 df-sets 17354 df-slot 17372 df-ndx 17384 df-base 17400 df-ress 17421 df-plusg 17453 df-tset 17459 df-0g 17624 df-gsum 17625 df-mre 17768 df-mrc 17769 df-acs 17771 df-mgm 18828 df-sgrp 18920 df-mnd 18936 df-submnd 18991 df-efmnd 19077 df-grp 19159 df-minusg 19160 df-subg 19345 df-symg 19596 df-pmtr 19668 df-psgn 19717 |
| This theorem is used by: psgnvalii 19735 gsmtrcl 19742 |
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