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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 19415 | . . . . 5 ⊢ 𝑇 ⊆ (Base‘𝐺) |
| 5 | 4 | sseli 3931 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 𝑃 ∈ (Base‘𝐺)) |
| 6 | 3 | gsumws1 18777 | . . . 4 ⊢ (𝑃 ∈ (Base‘𝐺) → (𝐺 Σg 〈“𝑃”〉) = 𝑃) |
| 7 | 5, 6 | syl 17 | . . 3 ⊢ (𝑃 ∈ 𝑇 → (𝐺 Σg 〈“𝑃”〉) = 𝑃) |
| 8 | 7 | fveq2d 6848 | . 2 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = (𝑁‘𝑃)) |
| 9 | 2, 3 | elbasfv 17156 | . . . . 5 ⊢ (𝑃 ∈ (Base‘𝐺) → 𝐷 ∈ V) |
| 10 | 5, 9 | syl 17 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 𝐷 ∈ V) |
| 11 | s1cl 14540 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 〈“𝑃”〉 ∈ Word 𝑇) | |
| 12 | psgnval.n | . . . . 5 ⊢ 𝑁 = (pmSgn‘𝐷) | |
| 13 | 2, 1, 12 | psgnvalii 19455 | . . . 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 14544 | . . . . 5 ⊢ (♯‘〈“𝑃”〉) = 1 | |
| 16 | 15 | oveq2i 7381 | . . . 4 ⊢ (-1↑(♯‘〈“𝑃”〉)) = (-1↑1) |
| 17 | neg1cn 12144 | . . . . 5 ⊢ -1 ∈ ℂ | |
| 18 | exp1 14004 | . . . . 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 3442 ran crn 5635 ‘cfv 6502 (class class class)co 7370 ℂcc 11038 1c1 11041 -cneg 11379 ↑cexp 13998 ♯chash 14267 Word cword 14450 〈“cs1 14533 Basecbs 17150 Σg cgsu 17374 SymGrpcsymg 19315 pmTrspcpmtr 19387 pmSgncpsgn 19435 |
| 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 5226 ax-sep 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 ax-cnex 11096 ax-resscn 11097 ax-1cn 11098 ax-icn 11099 ax-addcl 11100 ax-addrcl 11101 ax-mulcl 11102 ax-mulrcl 11103 ax-mulcom 11104 ax-addass 11105 ax-mulass 11106 ax-distr 11107 ax-i2m1 11108 ax-1ne0 11109 ax-1rid 11110 ax-rnegex 11111 ax-rrecex 11112 ax-cnre 11113 ax-pre-lttri 11114 ax-pre-lttrn 11115 ax-pre-ltadd 11116 ax-pre-mulgt0 11117 |
| 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 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-ot 4591 df-uni 4866 df-int 4905 df-iun 4950 df-iin 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5529 df-eprel 5534 df-po 5542 df-so 5543 df-fr 5587 df-se 5588 df-we 5589 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-pred 6269 df-ord 6330 df-on 6331 df-lim 6332 df-suc 6333 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-isom 6511 df-riota 7327 df-ov 7373 df-oprab 7374 df-mpo 7375 df-om 7821 df-1st 7945 df-2nd 7946 df-tpos 8180 df-frecs 8235 df-wrecs 8266 df-recs 8315 df-rdg 8353 df-1o 8409 df-2o 8410 df-er 8647 df-map 8779 df-en 8898 df-dom 8899 df-sdom 8900 df-fin 8901 df-card 9865 df-pnf 11182 df-mnf 11183 df-xr 11184 df-ltxr 11185 df-le 11186 df-sub 11380 df-neg 11381 df-div 11809 df-nn 12160 df-2 12222 df-3 12223 df-4 12224 df-5 12225 df-6 12226 df-7 12227 df-8 12228 df-9 12229 df-n0 12416 df-xnn0 12489 df-z 12503 df-uz 12766 df-rp 12920 df-fz 13438 df-fzo 13585 df-seq 13939 df-exp 13999 df-hash 14268 df-word 14451 df-lsw 14500 df-concat 14508 df-s1 14534 df-substr 14579 df-pfx 14609 df-splice 14687 df-reverse 14696 df-s2 14785 df-struct 17088 df-sets 17105 df-slot 17123 df-ndx 17135 df-base 17151 df-ress 17172 df-plusg 17204 df-tset 17210 df-0g 17375 df-gsum 17376 df-mre 17519 df-mrc 17520 df-acs 17522 df-mgm 18579 df-sgrp 18658 df-mnd 18674 df-mhm 18722 df-submnd 18723 df-efmnd 18808 df-grp 18883 df-minusg 18884 df-subg 19070 df-ghm 19159 df-gim 19205 df-oppg 19292 df-symg 19316 df-pmtr 19388 df-psgn 19437 |
| This theorem is referenced by: psgnprfval2 19469 pmtrodpm 21569 mdetralt 22569 psgnfzto1st 33205 cyc3evpm 33250 |
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