No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

No tariffs. Ever. We ship locally from the US, Canada, the UK, or the EU + Free shipping over $80 / 70€ / £60 (equivalent in all other currencies).

Philosophical Dictionary

Logic Meme Explained: How Logic Became Formal, From Aristotle’s Syllogism to Truth Tables
July 10, 2022
By Markus Uehleke

In the logic meme, an explorer finally finds the Scroll of Truth and throws it away, because it is a truth table. Aristotle founded formal logic without ever drawing one, the Stoics built the logic of “if”, Boole turned it into 0 and 1, and Frege’s system broke on a letter. So who drew the first truth table?