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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 2764 | . . . . . 6 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 4 | 1, 2, 3 | symgtrf 19511 | . . . . 5 ⊢ 𝑇 ⊆ (Base‘𝐺) |
| 5 | 4 | sseli 3934 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 𝑃 ∈ (Base‘𝐺)) |
| 6 | 3 | gsumws1 18874 | . . . 4 ⊢ (𝑃 ∈ (Base‘𝐺) → (𝐺 Σg 〈“𝑃”〉) = 𝑃) |
| 7 | 5, 6 | syl 17 | . . 3 ⊢ (𝑃 ∈ 𝑇 → (𝐺 Σg 〈“𝑃”〉) = 𝑃) |
| 8 | 7 | fveq2d 6873 | . 2 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = (𝑁‘𝑃)) |
| 9 | 2, 3 | elbasfv 17253 | . . . . 5 ⊢ (𝑃 ∈ (Base‘𝐺) → 𝐷 ∈ V) |
| 10 | 5, 9 | syl 17 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 𝐷 ∈ V) |
| 11 | s1cl 14618 | . . . 4 ⊢ (𝑃 ∈ 𝑇 → 〈“𝑃”〉 ∈ Word 𝑇) | |
| 12 | psgnval.n | . . . . 5 ⊢ 𝑁 = (pmSgn‘𝐷) | |
| 13 | 2, 1, 12 | psgnvalii 19551 | . . . 4 ⊢ ((𝐷 ∈ V ∧ 〈“𝑃”〉 ∈ Word 𝑇) → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = (-1↑(♯‘〈“𝑃”〉))) |
| 14 | 10, 11, 13 | syl2anc 593 | . . 3 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = (-1↑(♯‘〈“𝑃”〉))) |
| 15 | s1len 14622 | . . . . 5 ⊢ (♯‘〈“𝑃”〉) = 1 | |
| 16 | 15 | oveq2i 7409 | . . . 4 ⊢ (-1↑(♯‘〈“𝑃”〉)) = (-1↑1) |
| 17 | neg1cn 12182 | . . . . 5 ⊢ -1 ∈ ℂ | |
| 18 | exp1 14082 | . . . . 5 ⊢ (-1 ∈ ℂ → (-1↑1) = -1) | |
| 19 | 17, 18 | ax-mp 5 | . . . 4 ⊢ (-1↑1) = -1 |
| 20 | 16, 19 | eqtri 2787 | . . 3 ⊢ (-1↑(♯‘〈“𝑃”〉)) = -1 |
| 21 | 14, 20 | eqtrdi 2815 | . 2 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘(𝐺 Σg 〈“𝑃”〉)) = -1) |
| 22 | 8, 21 | eqtr3d 2801 | 1 ⊢ (𝑃 ∈ 𝑇 → (𝑁‘𝑃) = -1) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1562 ∈ wcel 2144 Vcvv 3456 ran crn 5650 ‘cfv 6523 (class class class)co 7398 ℂcc 11073 1c1 11076 -cneg 11417 ↑cexp 14076 ♯chash 14345 Word cword 14528 〈“cs1 14611 Basecbs 17247 Σg cgsu 17471 SymGrpcsymg 19411 pmTrspcpmtr 19483 pmSgncpsgn 19531 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-rep 5229 ax-sep 5248 ax-nul 5258 ax-pow 5324 ax-pr 5392 ax-un 7720 ax-cnex 11131 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 ax-pre-mulgt0 11152 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-xor 1534 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3458 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 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 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5544 df-eprel 5549 df-po 5557 df-so 5558 df-fr 5602 df-se 5603 df-we 5604 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-ima 5662 df-pred 6290 df-ord 6351 df-on 6352 df-lim 6353 df-suc 6354 df-iota 6479 df-fun 6525 df-fn 6526 df-f 6527 df-f1 6528 df-fo 6529 df-f1o 6530 df-fv 6531 df-isom 6532 df-riota 7355 df-ov 7401 df-oprab 7402 df-mpo 7403 df-om 7849 df-1st 7972 df-2nd 7973 df-tpos 8208 df-frecs 8264 df-wrecs 8295 df-recs 8344 df-rdg 8383 df-1o 8439 df-2o 8440 df-er 8680 df-map 8812 df-en 8930 df-dom 8931 df-sdom 8932 df-fin 8933 df-card 9899 df-pnf 11220 df-mnf 11221 df-xr 11222 df-ltxr 11223 df-le 11224 df-sub 11418 df-neg 11419 df-div 11847 df-nn 12213 df-2 12282 df-3 12283 df-4 12284 df-5 12285 df-6 12286 df-7 12287 df-8 12288 df-9 12289 df-n0 12484 df-xnn0 12557 df-z 12571 df-uz 12842 df-rp 12996 df-fz 13515 df-fzo 13662 df-seq 14017 df-exp 14077 df-hash 14346 df-word 14529 df-lsw 14578 df-concat 14586 df-s1 14612 df-substr 14657 df-pfx 14687 df-splice 14765 df-reverse 14774 df-s2 14863 df-struct 17185 df-sets 17202 df-slot 17220 df-ndx 17232 df-base 17248 df-ress 17269 df-plusg 17301 df-tset 17307 df-0g 17472 df-gsum 17473 df-mre 17616 df-mrc 17617 df-acs 17619 df-mgm 18676 df-sgrp 18755 df-mnd 18771 df-mhm 18819 df-submnd 18820 df-efmnd 18905 df-grp 18980 df-minusg 18981 df-subg 19167 df-ghm 19256 df-gim 19301 df-oppg 19388 df-symg 19412 df-pmtr 19484 df-psgn 19533 |
| This theorem is referenced by: psgnprfval2 19565 pmtrodpm 21651 mdetralt 22670 psgnfzto1st 33287 cyc3evpm 33332 |
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