gets rid of a double negation, no need to force exactly true/false in a predicate
gets rid of a double negation, no need to force exactly true/false in a predicate

prathamesh-sonpatki/rails,prathamesh-sonpatki/rails,MichaelSp/rails,gcourtemanche/rails,aditya-kapoor/rails,jeremy/rails,betesh/rails,prathamesh-sonpatki/rails,coreyward/rails,starknx/rails,printercu/rails,pvalena/rails,gavingmiller/rails,mtsmfm/rails,amoody2108/TechForJustice,matrinox/rails,jeremy/rails,lucasmazza/rails,travisofthenorth/rails,travisofthenorth/rails,aditya-kapoor/rails,mohitnatoo/rails,mathieujobin/reduced-rails-for-travis,illacceptanything/illacceptanything,rails/rails,deraru/rails,repinel/rails,illacceptanything/illacceptanything,utilum/rails,mohitnatoo/rails,Envek/rails,kenta-s/rails,ttanimichi/rails,lucasmazza/rails,yasslab/railsguides.jp,Erol/rails,assain/rails,mathieujobin/reduced-rails-for-travis,flanger001/rails,deraru/rails,yahonda/rails,Erol/rails,EmmaB/rails-1,kachick/rails,maicher/rails,kmayer/rails,joonyou/rails,Sen-Zhang/rails,jeremy/rails,arjes/rails,gauravtiwari/rails,jeremy/rails,mijoharas/rails,richseviora/rails,betesh/rails,rossta/rails,riseshia/railsguides.kr,rafaelfranca/omg-rails,illacceptanything/illacceptanything,rafaelfranca/omg-rails,gauravtiwari/rails,illacceptanything/illacceptanything,notapatch/rails,rbhitchcock/rails,tgxworld/rails,schuetzm/rails,bogdanvlviv/rails,tjschuck/rails,illacceptanything/illacceptanything,yasslab/railsguides.jp,koic/rails,gfvcastro/rails,rbhitchcock/rails,travisofthenorth/rails,gfvcastro/rails,lcreid/rails,arjes/rails,voray/rails,vassilevsky/rails,gfvcastro/rails,baerjam/rails,mtsmfm/railstest,assain/rails,elfassy/rails,kmayer/rails,arjes/rails,yalab/rails,yasslab/railsguides.jp,illacceptanything/illacceptanything,mechanicles/rails,shioyama/rails,Envek/rails,printercu/rails,prathamesh-sonpatki/rails,mtsmfm/rails,schuetzm/rails,mohitnatoo/rails,iainbeeston/rails,yalab/rails,sealocal/rails,yalab/rails,rails/rails,Vasfed/rails,sergey-alekseev/rails,untidy-hair/rails,bolek/rails,aditya-kapoor/rails,brchristian/rails,arunagw/rails,utilum/rails,eileencodes/rails,mijoharas/rails,MSP-Greg/rails,aditya-kapoor/rails,printercu/rails,Stellenticket/rails,sergey-alekseev/rails,lcreid/rails,shioyama/rails,kddeisz/rails,tjschuck/rails,illacceptanything/illacceptanything,tgxworld/rails,arunagw/rails,kmcphillips/rails,pschambacher/rails,hanystudy/rails,rails/rails,betesh/rails,felipecvo/rails,pschambacher/rails,88rabbit/newRails,vassilevsky/rails,fabianoleittes/rails,joonyou/rails,elfassy/rails,fabianoleittes/rails,rossta/rails,alecspopa/rails,Spin42/rails,koic/rails,repinel/rails,pvalena/rails,rails/rails,sealocal/rails,lcreid/rails,Vasfed/rails,kaspth/rails,arunagw/rails,richseviora/rails,Sen-Zhang/rails,palkan/rails,kenta-s/rails,ledestin/rails,matrinox/rails,Erol/rails,kddeisz/rails,untidy-hair/rails,kachick/rails,mechanicles/rails,starknx/rails,shioyama/rails,sergey-alekseev/rails,baerjam/rails,kirs/rails-1,mtsmfm/rails,yhirano55/rails,elfassy/rails,Vasfed/rails,kirs/rails-1,Stellenticket/rails,schuetzm/rails,assain/rails,hanystudy/rails,kenta-s/rails,deraru/rails,flanger001/rails,kaspth/rails,pvalena/rails,tgxworld/rails,joonyou/rails,Sen-Zhang/rails,Vasfed/rails,samphilipd/rails,Stellenticket/rails,stefanmb/rails,marklocklear/rails,flanger001/rails,illacceptanything/illacceptanything,bogdanvlviv/rails,alecspopa/rails,schuetzm/rails,88rabbit/newRails,illacceptanything/illacceptanything,fabianoleittes/rails,riseshia/railsguides.kr,mtsmfm/railstest,esparta/rails,shioyama/rails,georgeclaghorn/rails,illacceptanything/illacceptanything,tgxworld/rails,yhirano55/rails,illacceptanything/illacceptanything,bradleypriest/rails,stefanmb/rails,yalab/rails,bradleypriest/rails,mtsmfm/railstest,lcreid/rails,BlakeWilliams/rails,yawboakye/rails,koic/rails,richseviora/rails,kamipo/rails,kachick/rails,fabianoleittes/rails,yahonda/rails,rafaelfranca/omg-rails,vipulnsward/rails,gcourtemanche/rails,starknx/rails,rossta/rails,bolek/rails,EmmaB/rails-1,bradleypriest/rails,deraru/rails,ttanimichi/rails,odedniv/rails,EmmaB/rails-1,kaspth/rails,bogdanvlviv/rails,flanger001/rails,matrinox/rails,kmcphillips/rails,tijwelch/rails,ledestin/rails,riseshia/railsguides.kr,rbhitchcock/rails,joonyou/rails,Edouard-chin/rails,gfvcastro/rails,ngpestelos/rails,maicher/rails,ledestin/rails,illacceptanything/illacceptanything,illacceptanything/illacceptanything,ngpestelos/rails,88rabbit/newRails,repinel/rails,lucasmazza/rails,eileencodes/rails,esparta/rails,MSP-Greg/rails,kmayer/rails,BlakeWilliams/rails,kmcphillips/rails,Envek/rails,gavingmiller/rails,Spin42/rails,ttanimichi/rails,Edouard-chin/rails,Stellenticket/rails,palkan/rails,MSP-Greg/rails,kamipo/rails,brchristian/rails,mohitnatoo/rails,iainbeeston/rails,amoody2108/TechForJustice,eileencodes/rails,kddeisz/rails,palkan/rails,MSP-Greg/rails,MichaelSp/rails,amoody2108/TechForJustice,mechanicles/rails,georgeclaghorn/rails,alecspopa/rails,yawboakye/rails,illacceptanything/illacceptanything,stefanmb/rails,travisofthenorth/rails,vipulnsward/rails,vassilevsky/rails,tijwelch/rails,mijoharas/rails,utilum/rails,felipecvo/rails,yhirano55/rails,samphilipd/rails,BlakeWilliams/rails,yawboakye/rails,maicher/rails,xlymian/rails,kddeisz/rails,yawboakye/rails,untidy-hair/rails,Spin42/rails,iainbeeston/rails,tijwelch/rails,yahonda/rails,sealocal/rails,Edouard-chin/rails,kamipo/rails,odedniv/rails,pschambacher/rails,georgeclaghorn/rails,brchristian/rails,hanystudy/rails,gauravtiwari/rails,printercu/rails,voray/rails,Envek/rails,bogdanvlviv/rails,yhirano55/rails,notapatch/rails,bolek/rails,kirs/rails-1,xlymian/rails,palkan/rails,gcourtemanche/rails,MichaelSp/rails,Edouard-chin/rails,Erol/rails,esparta/rails,xlymian/rails,notapatch/rails,repinel/rails,georgeclaghorn/rails,betesh/rails,notapatch/rails,vipulnsward/rails,esparta/rails,assain/rails,voray/rails,untidy-hair/rails,coreyward/rails,iainbeeston/rails,ngpestelos/rails,vipulnsward/rails,odedniv/rails,mechanicles/rails,mathieujobin/reduced-rails-for-travis,baerjam/rails,coreyward/rails,felipecvo/rails,pvalena/rails,arunagw/rails,baerjam/rails,illacceptanything/illacceptanything,BlakeWilliams/rails,yasslab/railsguides.jp,gavingmiller/rails,marklocklear/rails,marklocklear/rails,yahonda/rails,tjschuck/rails,utilum/rails,tjschuck/rails,riseshia/railsguides.kr,kmcphillips/rails,eileencodes/rails,samphilipd/rails