Skip to content
One Long Tail
Lessons
Hands-on
Plans
About us
Menu
Lessons
all 428, by branch
Hands-on
lessons you can touch
Plans
what we're building
About us
who we are, contact
All philosophy of science lessons
Philosophy of Science
Lesson 27 of 50
Goodman's grue
Why are emeralds green and not "grue"?
600 BC
today
Era 5 of 8:
The logic of science
, 1920 – 1960
Check yourself
Loading exercises…