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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 2761 | . . 3 ⊢ (𝐺 Σg 𝑊) = (𝐺 Σg 𝑊) | |
| 2 | oveq2 7428 | . . . 4 ⊢ (𝑤 = 𝑊 → (𝐺 Σg 𝑤) = (𝐺 Σg 𝑊)) | |
| 3 | 2 | rspceeqv 3599 | . . 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 19718 | . . 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 1570 ∈ wcel 2145 ∃wrex 3087 dom cdm 5651 ran crn 5652 ‘cfv 6538 (class class class)co 7420 Word cword 14658 Σg cgsu 17611 SymGrpcsymg 19583 pmTrspcpmtr 19655 pmSgncpsgn 19703 |
| 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 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 ax-cnex 11256 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-iin 4954 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-isom 6547 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-1o 8476 df-2o 8477 df-er 8717 df-map 8849 df-en 8974 df-dom 8975 df-sdom 8976 df-fin 8977 df-card 10020 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-nn 12336 df-2 12405 df-3 12406 df-4 12407 df-5 12408 df-6 12409 df-7 12410 df-8 12411 df-9 12412 df-n0 12607 df-z 12694 df-uz 12966 df-fz 13640 df-fzo 13789 df-seq 14145 df-hash 14475 df-word 14659 df-concat 14716 df-s1 14743 df-struct 17325 df-sets 17342 df-slot 17360 df-ndx 17372 df-base 17388 df-ress 17409 df-plusg 17441 df-tset 17447 df-0g 17612 df-gsum 17613 df-mre 17756 df-mrc 17757 df-acs 17759 df-mgm 18816 df-sgrp 18908 df-mnd 18924 df-submnd 18979 df-efmnd 19065 df-grp 19147 df-minusg 19148 df-subg 19333 df-symg 19584 df-pmtr 19656 df-psgn 19705 |
| This theorem is used by: psgnvalii 19723 gsmtrcl 19730 |
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