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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 2737 | . . . . . 6 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 4 | 1, 2, 3 | symgtrf 19439 | . . . . 5 ⊢ 𝑇 ⊆ (Base‘𝐺) |
| 5 | 4 | sseli 3918 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 𝑃 ∈ (Base‘𝐺)) |
| 6 | 3 | gsumws1 18801 | . . . 4 ⊢ (𝑃 ∈ (Base‘𝐺) → (𝐺 Σg 〈“𝑃”〉) = 𝑃) |
| 7 | 5, 6 | syl 17 | . . 3 ⊢ (𝑃 ∈ 𝑇 → (𝐺 Σg 〈“𝑃”〉) = 𝑃) |
| 8 | 7 | fveq2d 6840 | . 2 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = (𝑁‘𝑃)) |
| 9 | 2, 3 | elbasfv 17180 | . . . . 5 ⊢ (𝑃 ∈ (Base‘𝐺) → 𝐷 ∈ V) |
| 10 | 5, 9 | syl 17 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 𝐷 ∈ V) |
| 11 | s1cl 14560 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 〈“𝑃”〉 ∈ Word 𝑇) | |
| 12 | psgnval.n | . . . . 5 ⊢ 𝑁 = (pmSgn‘𝐷) | |
| 13 | 2, 1, 12 | psgnvalii 19479 | . . . 4 ⊢ ((𝐷 ∈ V ∧ 〈“𝑃”〉 ∈ Word 𝑇) → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = (-1↑(♯‘〈“𝑃”〉))) |
| 14 | 10, 11, 13 | syl2anc 585 | . . 3 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = (-1↑(♯‘〈“𝑃”〉))) |
| 15 | s1len 14564 | . . . . 5 ⊢ (♯‘〈“𝑃”〉) = 1 | |
| 16 | 15 | oveq2i 7373 | . . . 4 ⊢ (-1↑(♯‘〈“𝑃”〉)) = (-1↑1) |
| 17 | neg1cn 12139 | . . . . 5 ⊢ -1 ∈ ℂ | |
| 18 | exp1 14024 | . . . . 5 ⊢ (-1 ∈ ℂ → (-1↑1) = -1) | |
| 19 | 17, 18 | ax-mp 5 | . . . 4 ⊢ (-1↑1) = -1 |
| 20 | 16, 19 | eqtri 2760 | . . 3 ⊢ (-1↑(♯‘〈“𝑃”〉)) = -1 |
| 21 | 14, 20 | eqtrdi 2788 | . 2 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = -1) |
| 22 | 8, 21 | eqtr3d 2774 | 1 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘𝑃) = -1) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 Vcvv 3430 ran crn 5627 ‘cfv 6494 (class class class)co 7362 ℂcc 11031 1c1 11034 -cneg 11373 ↑cexp 14018 ♯chash 14287 Word cword 14470 〈“cs1 14553 Basecbs 17174 Σg cgsu 17398 SymGrpcsymg 19339 pmTrspcpmtr 19411 pmSgncpsgn 19459 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5304 ax-pr 5372 ax-un 7684 ax-cnex 11089 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 ax-pre-mulgt0 11110 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-xor 1514 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-ot 4577 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5521 df-eprel 5526 df-po 5534 df-so 5535 df-fr 5579 df-se 5580 df-we 5581 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-res 5638 df-ima 5639 df-pred 6261 df-ord 6322 df-on 6323 df-lim 6324 df-suc 6325 df-iota 6450 df-fun 6496 df-fn 6497 df-f 6498 df-f1 6499 df-fo 6500 df-f1o 6501 df-fv 6502 df-isom 6503 df-riota 7319 df-ov 7365 df-oprab 7366 df-mpo 7367 df-om 7813 df-1st 7937 df-2nd 7938 df-tpos 8171 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-1o 8400 df-2o 8401 df-er 8638 df-map 8770 df-en 8889 df-dom 8890 df-sdom 8891 df-fin 8892 df-card 9858 df-pnf 11176 df-mnf 11177 df-xr 11178 df-ltxr 11179 df-le 11180 df-sub 11374 df-neg 11375 df-div 11803 df-nn 12170 df-2 12239 df-3 12240 df-4 12241 df-5 12242 df-6 12243 df-7 12244 df-8 12245 df-9 12246 df-n0 12433 df-xnn0 12506 df-z 12520 df-uz 12784 df-rp 12938 df-fz 13457 df-fzo 13604 df-seq 13959 df-exp 14019 df-hash 14288 df-word 14471 df-lsw 14520 df-concat 14528 df-s1 14554 df-substr 14599 df-pfx 14629 df-splice 14707 df-reverse 14716 df-s2 14805 df-struct 17112 df-sets 17129 df-slot 17147 df-ndx 17159 df-base 17175 df-ress 17196 df-plusg 17228 df-tset 17234 df-0g 17399 df-gsum 17400 df-mre 17543 df-mrc 17544 df-acs 17546 df-mgm 18603 df-sgrp 18682 df-mnd 18698 df-mhm 18746 df-submnd 18747 df-efmnd 18832 df-grp 18907 df-minusg 18908 df-subg 19094 df-ghm 19183 df-gim 19229 df-oppg 19316 df-symg 19340 df-pmtr 19412 df-psgn 19461 |
| This theorem is referenced by: psgnprfval2 19493 pmtrodpm 21591 mdetralt 22587 psgnfzto1st 33185 cyc3evpm 33230 |
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