Small fix to the pretty printed equations in the is_(log)_deriv() functions
Small fix to the pretty printed equations in the is_(log)_deriv() functions

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