Editing Truth and Semantics (section)

== <span style="color: #FFFFFF;">Applying</span> ==
'''Modeling 'The Truth Condition' (Mapping a sentence to its requirements):'''
<syntaxhighlight lang="python">
def verify_truth(sentence, world_state):
    """
    Simulates Truth-Conditional Semantics.
    """
    # Sentence: "The light is ON"
    # Logic: True if state['light'] == 1
    if sentence == "Light is ON":
        condition = (world_state["light"] == 1)
    elif sentence == "Door is CLOSED":
        condition = (world_state["door"] == 0)
    else:
        condition = False
        
    if condition:
        return f"Sentence '{sentence}' is TRUE (Matches the World)"
    else:
        return f"Sentence '{sentence}' is FALSE (World does not match)"

# World: Light is on, Door is open.
current_world = {"light": 1, "door": 1}
print(verify_truth("Light is ON", current_world))
</syntaxhighlight>

; Truth Landmarks
: '''Tarski’s 'The Concept of Truth in Formalized Languages' (1933)''' → The most important paper in the history of semantics.
: '''Wittgenstein’s 'Tractatus' (1921)''' → The "Picture Theory of Language": the idea that a sentence is a "Map" or "Picture" of a fact in the world.
: '''Quine’s 'Two Dogmas of Empiricism' (1951)''' → Challenged the "Analytical/Synthetic" distinction, arguing that our "Whole Web of Belief" is tested against the world together.
: '''Model Theory''' → The branch of math that uses Tarski's logic to "Build worlds" (Models) where certain "Sentences" are true, used in AI and Software Engineering.
</div>

<div style="background-color: #8B4500; color: #FFFFFF; padding: 20px; border-radius: 8px; margin-bottom: 15px;">