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| Mirrors > Home > MPE Home > Th. List > psgnpmtr | Structured version Visualization version GIF version | ||
| Description: All transpositions are odd. (Contributed by Stefan O'Rear, 29-Aug-2015.) |
| Ref | Expression |
|---|---|
| psgnval.g | ⊢ 𝐺 = (SymGrp‘𝐷) |
| psgnval.t | ⊢ 𝑇 = ran (pmTrsp‘𝐷) |
| psgnval.n | ⊢ 𝑁 = (pmSgn‘𝐷) |
| Ref | Expression |
|---|---|
| psgnpmtr | ⊢ (𝑃 ∈ 𝑇 → (𝑁‘𝑃) = -1) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | psgnval.t | . . . . . 6 ⊢ 𝑇 = ran (pmTrsp‘𝐷) | |
| 2 | psgnval.g | . . . . . 6 ⊢ 𝐺 = (SymGrp‘𝐷) | |
| 3 | eqid 2760 | . . . . . 6 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 4 | 1, 2, 3 | symgtrf 19622 | . . . . 5 ⊢ 𝑇 ⊆ (Base‘𝐺) |
| 5 | 4 | sseli 3927 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 𝑃 ∈ (Base‘𝐺)) |
| 6 | 3 | gsumws1 18973 | . . . 4 ⊢ (𝑃 ∈ (Base‘𝐺) → (𝐺 Σg 〈“𝑃”〉) = 𝑃) |
| 7 | 5, 6 | syl 18 | . . 3 ⊢ (𝑃 ∈ 𝑇 → (𝐺 Σg 〈“𝑃”〉) = 𝑃) |
| 8 | 7 | fveq2d 6885 | . 2 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = (𝑁‘𝑃)) |
| 9 | 2, 3 | elbasfv 17332 | . . . . 5 ⊢ (𝑃 ∈ (Base‘𝐺) → 𝐷 ∈ V) |
| 10 | 5, 9 | syl 18 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 𝐷 ∈ V) |
| 11 | s1cl 14694 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 〈“𝑃”〉 ∈ Word 𝑇) | |
| 12 | psgnval.n | . . . . 5 ⊢ 𝑁 = (pmSgn‘𝐷) | |
| 13 | 2, 1, 12 | psgnvalii 19662 | . . . 4 ⊢ ((𝐷 ∈ V ∧ 〈“𝑃”〉 ∈ Word 𝑇) → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = (-1↑(♯‘〈“𝑃”〉))) |
| 14 | 10, 11, 13 | syl2anc 596 | . . 3 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = (-1↑(♯‘〈“𝑃”〉))) |
| 15 | s1len 14698 | . . . . 5 ⊢ (♯‘〈“𝑃”〉) = 1 | |
| 16 | 15 | oveq2i 7427 | . . . 4 ⊢ (-1↑(♯‘〈“𝑃”〉)) = (-1↑1) |
| 17 | neg1cn 12252 | . . . . 5 ⊢ -1 ∈ ℂ | |
| 18 | exp1 14156 | . . . . 5 ⊢ (-1 ∈ ℂ → (-1↑1) = -1) | |
| 19 | 17, 18 | ax-mp 5 | . . . 4 ⊢ (-1↑1) = -1 |
| 20 | 16, 19 | eqtri 2783 | . . 3 ⊢ (-1↑(♯‘〈“𝑃”〉)) = -1 |
| 21 | 14, 20 | eqtrdi 2811 | . 2 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = -1) |
| 22 | 8, 21 | eqtr3d 2797 | 1 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘𝑃) = -1) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 Vcvv 3450 ran crn 5656 ‘cfv 6535 (class class class)co 7416 ℂcc 11147 1c1 11150 -cneg 11491 ↑cexp 14150 ♯chash 14419 Word cword 14603 〈“cs1 14687 Basecbs 17326 Σg cgsu 17550 SymGrpcsymg 19522 pmTrspcpmtr 19594 pmSgncpsgn 19642 |
| 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-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7742 ax-cnex 11205 ax-resscn 11206 ax-1cn 11207 ax-icn 11208 ax-addcl 11209 ax-addrcl 11210 ax-mulcl 11211 ax-mulrcl 11212 ax-mulcom 11213 ax-addass 11214 ax-mulass 11215 ax-distr 11216 ax-i2m1 11217 ax-1ne0 11218 ax-1rid 11219 ax-rnegex 11220 ax-rrecex 11221 ax-cnre 11222 ax-pre-lttri 11223 ax-pre-lttrn 11224 ax-pre-ltadd 11225 ax-pre-mulgt0 11226 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-xor 1542 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-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 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-ot 4593 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 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 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 6301 df-ord 6362 df-on 6363 df-lim 6364 df-suc 6365 df-iota 6491 df-fun 6537 df-fn 6538 df-f 6539 df-f1 6540 df-fo 6541 df-f1o 6542 df-fv 6543 df-isom 6544 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7869 df-1st 7992 df-2nd 7993 df-tpos 8229 df-frecs 8285 df-wrecs 8316 df-recs 8365 df-rdg 8404 df-1o 8462 df-2o 8463 df-er 8703 df-map 8835 df-en 8960 df-dom 8961 df-sdom 8962 df-fin 8963 df-card 9969 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11492 df-neg 11493 df-div 11921 df-nn 12283 df-2 12352 df-3 12353 df-4 12354 df-5 12355 df-6 12356 df-7 12357 df-8 12358 df-9 12359 df-n0 12554 df-xnn0 12627 df-z 12641 df-uz 12913 df-rp 13068 df-fz 13587 df-fzo 13735 df-seq 14091 df-exp 14151 df-hash 14420 df-word 14604 df-lsw 14653 df-concat 14661 df-s1 14688 df-substr 14734 df-pfx 14766 df-splice 14844 df-reverse 14853 df-s2 14944 df-struct 17264 df-sets 17281 df-slot 17299 df-ndx 17311 df-base 17327 df-ress 17348 df-plusg 17380 df-tset 17386 df-0g 17551 df-gsum 17552 df-mre 17695 df-mrc 17696 df-acs 17698 df-mgm 18755 df-sgrp 18847 df-mnd 18863 df-mhm 18917 df-submnd 18918 df-efmnd 19004 df-grp 19086 df-minusg 19087 df-subg 19272 df-ghm 19367 df-gim 19412 df-oppg 19499 df-symg 19523 df-pmtr 19595 df-psgn 19644 |
| This theorem is used by: psgnprfval2 19676 pmtrodpm 21842 mdetralt 22862 psgnfzto1st 33577 cyc3evpm 33622 |
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