A fundamental property of permutability is expressed in the following theorem:
Two functions permutable with a third are permutable with each other.
A group of permutable functions is characteri...więcej »
An antique strongbox filled with a cache of Old West artifacts - and gold! Hidden in a place that time has forgotten. Tony Howard had once been a rock star, and the son of a Hollywood legend. Th...więcej »
Have you ever totally lost your cool on your kids?
Ya, me neither.
Totally kidding.
Are you a working mom, tired of whining about your life and feeling constantly overwhelmed, like you're going ...więcej »
Have you ever totally lost your cool on your kids?
Ya, me neither.
Totally kidding.
Are you a working mom, tired of whining about your life and feeling constantly overwhelmed, like you're goi...więcej »
A comprehensive collection of vegan, vegetarian, animal rights, and animal liberation quotations. Inspiring thoughts and ideas from leading thinkers throughout history and from all over the world.więcej »
The debate around mobile phone and wi-fi use has escalated in recent years, with many fearing the effects on young people will show up only when it is too late to have made a different choice.
Th...więcej »
The Repo Men are characters that come across differently than that of your everyday average person. They drive up on your lawn and beat the door: Bam! Bam! Bam! trying to get a payment, and the...więcej »
An unprecedented wave of sex scandals is rocking Hollywood and Washington D.C. Never before have so many powerful men been accused of sexual misconduct all at the same time. What is going on?więcej »