[!□] □
[!□=□] □
[!(□ & □)] □
I say again that this discussion will have a rather better foundation when we actually know the likely numbers involved . Parrot is valuable in that it demonstrates a solid foundation for Perl 6 ( and other similar languages ) ; a far better foundation than the internals of Perl 5 have become . " Astrology may rest on better foundations than Magic . But there is a lot of work going on behind the scenes to create better foundations , customized systems . A better foundation for LOVING was the argument , also present there , that the statute served no real governmental interest other than the maintenance of white supremacy , and this goal is rendered illegitimate by the equal protection clause itself . More needs to be done with basic and translational research in order to create better foundations for clinical care .