Editing Sense and Reference

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{{BloomIntro}}
Sense and Reference is the "Study of the Name"—the investigation of the "Philosophical Framework" (~1892–Present) that "Distinguishes" between the "Meaning" of a "Term" (Sense) and the "Actual Object" it "Points To" (Reference). While "Ordinary Language" "Assumes" a "Word" and a "Thing" are the "Same," **Gottlob Frege** "Proved" they are "Different." From "The Morning Star" and "The Evening Star" to "Identity Statements" and "Propositional Content," this field explores the "Logic of Language." It is the science of "Mental Content," explaining why "Superman" and "Clark Kent" "Mean Different Things" even if they are the "Same Person"—and how "Truth" "Depends" on "Mode of Presentation."
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== <span style="color: #FFFFFF;">Remembering</span> ==
* '''Sense and Reference''' (Sinn und Bedeutung) — (Gottlob Frege, 1892). The "Distinction" between "How" we refer to something (Sense) and "What" we refer to (Reference).
* '''Gottlob Frege''' — The "Father" of Modern Logic and Analytic Philosophy: a "German Mathematician" who "Revolutionized" the "Study of Language."
* '''Reference''' (Bedeutung) — The "Physical Object" or "Truth Value" that a "Word" or "Sentence" "Points To" (e.g., 'The actual planet Venus').
* '''Sense''' (Sinn) — The "Mode of Presentation": the "Specific Way" the "Reference" is "Thought Of" (e.g., 'The bright light in the morning sky').
* '''Identity Statement''' — A "Sentence" like **"A = B"** (e.g. 'The Morning Star is the Evening Star').
* '''Cognitive Value''' — The "New Information" we "Gain" from a statement (e.g. 'A = A' has no value; 'A = B' does).
* '''Proposition''' — The "Abstract Meaning" of a sentence that "Can be True or False."
* '''Compositionality''' — The "Principle" that the "Meaning" of a "Complex Expression" is "Determined" by the "Meaning" of its "Parts."
* '''Truth Value''' — (See Article 119). The "Reference" of a "Sentence": it is either **"The True"** or **"The False."**
* '''Indirect Reference''' — When a "Word" "Refers" to its "Own Sense" (e.g. in 'John believes that...').
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== <span style="color: #FFFFFF;">Understanding</span> ==
Fregeism is understood through '''Ambiguity''' and '''Logic'''.

'''1. The "Star" Paradox (The Distinction)''':
"Same Object," "Different Meaning."
* Ancient people called the planet **Venus** "The Morning Star" and "The Evening Star."
* They "Thought" they were **"Two Different Things."**
* (See Article 21). Eventually, they "Discovered" it was the **"Same Planet."**
* **Frege** "Argued" that if the "Meaning" was "Just the Object," then saying **"Morning Star = Evening Star"** would be "Boring" (Like 'Venus = Venus').
* Since it was a **"Discovery,"** there must be a **"Sense"** (The 'Morning' look) that is "Different" from the **"Reference"** (The Planet).
* "Meaning" is **"Perspective."**

'''2. The "Mind" vs. The "World" (Mental Content)''':
"Sense" is "Public."
* (See Article 635). Frege "Argued" that "Sense" is "Not a Private Image" in your "Brain."
* If "Meaning" were "Private," we "Could Not" "Understand" each other.
* **Sense** is an **"Abstract Object"** that "Everyone" can "Access."
* It is the **"Bridge"** between the **"Subjective Mind"** and the **"Objective World."**
* "Language" is **"Shared Geometry."**

'''3. The "Arithmetic" of Truth (Propositional Logic)''':
"Sentences" as "Functions."
* (See Article 156). Frege "Viewed" "Sentences" like **"Math Equations."**
* "The Reference" of a "Sentence" is not its "Meaning," but its **"Truth Value."**
* If you "Replace" a "Word" with "Another Word" with the **"Same Reference,"** the **"Truth"** of the sentence "Should Not Change."
* (e.g. 'The author of BloomWiki is an AI' → 'Antigravity is an AI').
* "Truth" is **"Substitution-Invariant."**

'''The 'Superman' Test'''': Why does 'Lois Lane' believe 'Superman flies' but not 'Clark Kent flies'? They have the **"Same Reference"** (The man from Krypton), but **"Different Senses."** It proved that "Beliefs" (see Article 112) "Attach" to the **"Sense,"** not the "Object."
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== <span style="color: #FFFFFF;">Applying</span> ==
'''Modeling 'The Identity Statement' (Simulating 'Cognitive Value'):'''
<syntaxhighlight lang="python">
def evaluate_identity(term_a, term_b, reference):
    """
    Shows why 'Discovery' requires Sense.
    """
    if term_a == term_b:
        return f"TYPE: TAUTOLOGY (A=A). Value: Zero. (We already knew this)."
    elif term_a != term_b and reference:
        return f"TYPE: DISCOVERY (A=B). Value: HIGH. (We learned that '{term_a}' and '{term_b}' are the same thing!)."
    else:
        return "TYPE: FALSEHOOD."

# Case: 'Water = H2O'
print(evaluate_identity("Water", "H2O", "Chemical Compound"))
# Case: 'Water = Water'
print(evaluate_identity("Water", "Water", "Chemical Compound"))
</syntaxhighlight>

; Logical Landmarks
: '''The 'Begriffsschrift' ''' (Concept Script) → (1879). Frege’s "Invented Language" of "Symbols" "Designed" to "Remove" the "Ambiguity" of "Human Speech."
: '''The 'Context Principle' ''' → (See Article 160). The "Idea" that a "Word" "Only" has "Meaning" "Within" the "Context" of a **"Sentence."**
: '''Russell’s Paradox''' → (See Article 116). The "Logical Flaw" (The 'Set of all sets') that "Destroyed" Frege’s "Grand Project" "Just" as it was "Finished."
: '''Direct Reference Theory''' (Kripke) → (See Article 112). The "Modern Challenge" to Frege: "Arguing" that "Names" (like 'Aristotle') "Point Directly" to the "Object" "Without" a "Sense."
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== <span style="color: #FFFFFF;">Analyzing</span> ==
{| class="wikitable"
|+ Word vs. Sense vs. Reference
! Level !! Name (Sign) !! Sense (Meaning) !! Reference (Object)
|-
| Example || "The Morning Star" || "The bright light at dawn" || "The Planet Venus"
|-
| Change || "Can be translated" || "Changes with Perspective" || "Never Changes"
|-
| Role || "Communication" || "Understanding / Logic" || "Truth / Reality"
|-
| Analogy || 'The Label' || 'The Definition' || 'The Thing'
|}

'''The Concept of "Empty Names"''': Analyzing "The Fiction." (See Article 669). What is the **"Reference"** of **"Odysseus"** or **"Santa Claus"**? Frege "Argued" they have a **"Sense"** (We 'understand' them) but **"No Reference"** (There is 'no object'). This "Explained" why we can "Talk" about "Non-existent things" "Logically." "Meaning" is **"Independent"** of **"Existence."**
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== <span style="color: #FFFFFF;">Evaluating</span> ==
Evaluating Frege:
# '''Ambiguity''': Does a "Name" "Really" have a "Fixed Sense"? (Does 'Socrates' mean the 'same' to everyone?).
# '''Language''': Can "Mathematics" (see Article 117) be "Entirely" "Reduced" to **"Logic"**? (The 'Logicism' goal).
# '''Subjectivity''': If "Sense" is "Objective," where "Is" it "Stored"? (The 'Third Realm' problem).
# '''Impact''': How did Frege "Influence" **"Computer Programming Languages"** (see Article 160)?
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== <span style="color: #FFFFFF;">Creating</span> ==
Future Frontiers:
# '''The 'Sense' Map AI''': (See Article 08). An AI that "Visualizes" the **"Abstract Network of Senses"** for "Every Word," "Mapping" "Human Meaning" "Directly."
# '''VR 'Reference' Explorer''': (See Article 604). A "Walkthrough" where you "Touch" a "Digital Word" and "See" **"Every Possible Reference"** it has "Across All Cultures."
# '''The 'Truth-Value' Ledger''': (See Article 533). A "Blockchain" that "Validates" the **"Reference"** of "Global Statements," "Ending" **"Stage 4 Simulacra"** (see Article 667).
# '''Neural 'Sense' Induction''': (See Article 150). "Transmitting" the **"Pure Sense"** of a "Concept" (e.g. 'Justice') "Directly" from "Mind to Mind" "Without" "Words."

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