Editing Enlightenment Philosophy (section)

== <span style="color: #FFFFFF;">Applying</span> ==
'''Modeling 'The Doubt Test' (Descartes' method for finding truth):'''
<syntaxhighlight lang="python">
def cartesian_doubt(belief):
    """
    Descartes: 'If I can doubt it, I will throw it away.'
    """
    if "senses" in belief.lower():
        return "DOUBTED: My eyes can be fooled by illusions."
    elif "math" in belief.lower():
        return "DOUBTED: An evil demon might be tricking my brain."
    elif "I think" in belief.lower():
        # This is the only thing he couldn't doubt!
        return "ACCEPTED: Cogito Ergo Sum (I think, therefore I am)."
    else:
        return "UNTESTED"

print(f"Test 1: {cartesian_doubt('My senses tell me it is raining.')}")
print(f"Test 2: {cartesian_doubt('I think, therefore I exist.')}")
</syntaxhighlight>

; Enlightenment Landmarks
: '''The Declaration of Independence (1776)''' → A "Best Hits" album of Enlightenment ideas: Rights, Consent, and the Pursuit of Happiness.
: '''The French Revolution (1789)''' → The violent explosion of Enlightenment ideas ("Liberty, Equality, Fraternity") that overthrew the king of France.
: '''Lisbon Earthquake (1755)''' → An event that made philosophers question if "Everything is for the best," leading to a more realistic and less religious view of suffering.
: '''The Salon Culture''' → The "Coffee Houses" and living rooms of Paris where men and women met to debate philosophy, creating the first "Public Opinion."
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