permutations: remove cauchy form; edit docstrings
permutations: remove cauchy form; edit docstrings

cswiercz/sympy,Arafatk/sympy,jaimahajan1997/sympy,ga7g08/sympy,jaimahajan1997/sympy,Vishluck/sympy,kaichogami/sympy,madan96/sympy,jaimahajan1997/sympy,Vishluck/sympy,pbrady/sympy,iamutkarshtiwari/sympy,garvitr/sympy,yukoba/sympy,Titan-C/sympy,Sumith1896/sympy,grevutiu-gabriel/sympy,emon10005/sympy,Arafatk/sympy,yukoba/sympy,pandeyadarsh/sympy,wyom/sympy,oliverlee/sympy,grevutiu-gabriel/sympy,pbrady/sympy,shipci/sympy,hrashk/sympy,lindsayad/sympy,aktech/sympy,sampadsaha5/sympy,drufat/sympy,kevalds51/sympy,moble/sympy,sunny94/temp,kmacinnis/sympy,cccfran/sympy,cswiercz/sympy,mcdaniel67/sympy,cswiercz/sympy,Davidjohnwilson/sympy,skidzo/sympy,Curious72/sympy,Gadal/sympy,jamesblunt/sympy,liangjiaxing/sympy,ChristinaZografou/sympy,Mitchkoens/sympy,abloomston/sympy,mcdaniel67/sympy,shikil/sympy,sampadsaha5/sympy,dqnykamp/sympy,MridulS/sympy,beni55/sympy,pandeyadarsh/sympy,dqnykamp/sympy,wyom/sympy,saurabhjn76/sympy,kumarkrishna/sympy,kaushik94/sympy,garvitr/sympy,yukoba/sympy,rahuldan/sympy,jerli/sympy,postvakje/sympy,sahmed95/sympy,toolforger/sympy,Mitchkoens/sympy,sahilshekhawat/sympy,maniteja123/sympy,MridulS/sympy,AunShiLord/sympy,AkademieOlympia/sympy,bukzor/sympy,aktech/sympy,kaichogami/sympy,lidavidm/sympy,ChristinaZografou/sympy,shipci/sympy,Sumith1896/sympy,atreyv/sympy,MridulS/sympy,hargup/sympy,lidavidm/sympy,oliverlee/sympy,skidzo/sympy,lindsayad/sympy,maniteja123/sympy,farhaanbukhsh/sympy,atsao72/sympy,abhiii5459/sympy,wanglongqi/sympy,abhiii5459/sympy,cccfran/sympy,bukzor/sympy,ahhda/sympy,Curious72/sympy,yashsharan/sympy,ahhda/sympy,Designist/sympy,ahhda/sympy,grevutiu-gabriel/sympy,Mitchkoens/sympy,yashsharan/sympy,farhaanbukhsh/sympy,kumarkrishna/sympy,Shaswat27/sympy,liangjiaxing/sympy,ga7g08/sympy,Davidjohnwilson/sympy,pandeyadarsh/sympy,mafiya69/sympy,beni55/sympy,sampadsaha5/sympy,jbbskinny/sympy,atreyv/sympy,sahilshekhawat/sympy,asm666/sympy,Sumith1896/sympy,Curious72/sympy,sunny94/temp,Vishluck/sympy,sahilshekhawat/sympy,AunShiLord/sympy,hargup/sympy,debugger22/sympy,madan96/sympy,jbbskinny/sympy,dqnykamp/sympy,hrashk/sympy,kevalds51/sympy,shikil/sympy,maniteja123/sympy,oliverlee/sympy,vipulroxx/sympy,aktech/sympy,Designist/sympy,kevalds51/sympy,Davidjohnwilson/sympy,VaibhavAgarwalVA/sympy,asm666/sympy,cccfran/sympy,saurabhjn76/sympy,postvakje/sympy,kaushik94/sympy,garvitr/sympy,abloomston/sympy,meghana1995/sympy,pbrady/sympy,liangjiaxing/sympy,iamutkarshtiwari/sympy,kumarkrishna/sympy,vipulroxx/sympy,moble/sympy,saurabhjn76/sympy,meghana1995/sympy,farhaanbukhsh/sympy,wanglongqi/sympy,toolforger/sympy,Designist/sympy,AkademieOlympia/sympy,jerli/sympy,sunny94/temp,atsao72/sympy,kmacinnis/sympy,atreyv/sympy,lindsayad/sympy,chaffra/sympy,Gadal/sympy,Shaswat27/sympy,abhiii5459/sympy,Shaswat27/sympy,mafiya69/sympy,MechCoder/sympy,MechCoder/sympy,ga7g08/sympy,debugger22/sympy,hargup/sympy,kaichogami/sympy,moble/sympy,yashsharan/sympy,beni55/sympy,skirpichev/omg,emon10005/sympy,ChristinaZografou/sympy,jerli/sympy,sahmed95/sympy,vipulroxx/sympy,drufat/sympy,iamutkarshtiwari/sympy,mafiya69/sympy,souravsingh/sympy,lidavidm/sympy,meghana1995/sympy,chaffra/sympy,kaushik94/sympy,wyom/sympy,drufat/sympy,diofant/diofant,toolforger/sympy,bukzor/sympy,AunShiLord/sympy,abloomston/sympy,souravsingh/sympy,jamesblunt/sympy,emon10005/sympy,wanglongqi/sympy,madan96/sympy,Titan-C/sympy,amitjamadagni/sympy,chaffra/sympy,rahuldan/sympy,skidzo/sympy,Arafatk/sympy,postvakje/sympy,VaibhavAgarwalVA/sympy,MechCoder/sympy,amitjamadagni/sympy,asm666/sympy,rahuldan/sympy,sahmed95/sympy,Titan-C/sympy,souravsingh/sympy,VaibhavAgarwalVA/sympy,kmacinnis/sympy,atsao72/sympy,debugger22/sympy,hrashk/sympy,jamesblunt/sympy,shikil/sympy,AkademieOlympia/sympy,mcdaniel67/sympy,Gadal/sympy,shipci/sympy,jbbskinny/sympy