katzenbergerI simply don't know you well enough to assess whether your position of 2+2=4 is valid.
I've had dinner with somebody opposing this claim, and while you and them would set different paths for math, I am optimistic that either 4 or 5 would be a positive step. I'm endorsing both.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.