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''Theaetetus 184d–186a; Sophist 254d–256e''
''Theaetetus 184d–186a; Sophist 254d–256e''


=== 4. Tauton (ταὐτόν) ===
== 4. Law of identity ''(Tauton)'' ==
''Al-Huwiyya (الهوية) • Law of identity ===
''ταὐτόν • Al-Huwiyya (الهوية)''


'''Classification:''' Logical principle / cognitive primitive
'''Statement and existing explanation:'''
Whatever is, is; whatever is not, is not.
Whatever is, is; whatever is not, is not.


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The Law of Identity is therefore the most basic condition of intelligibility: without it, thought loses its object, language loses reference, and reasoning loses all determinate content.
The Law of Identity is therefore the most basic condition of intelligibility: without it, thought loses its object, language loses reference, and reasoning loses all determinate content.


'''Dialectical transition:''' To recognise any distinguishable content as that content requires treating it as self-identical (A = A). This is a logical condition of coherent reference, not a derived empirical discovery.
To recognise any distinguishable content as that content requires treating it as self-identical (A = A). This is a logical condition of coherent reference, not a derived empirical discovery.


'''Textual anchors:''' ''Sophist 254d–255e; Republic 436b''.
''Sophist 254d–255e; Republic 436b''