theorem
proved
event_nontrivial
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IndisputableMonolith.RecogGeom.Core on GitHub at line 66.
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All declarations in this module, on Recognition.
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63 ⟨ConfigSpace.witness C, rfl⟩
64
65/-- An event space has at least two distinct elements -/
66theorem event_nontrivial (E : Type*) [EventSpace E] : ∃ e₁ e₂ : E, e₁ ≠ e₂ :=
67 EventSpace.nontrivial
68
69/-! ## Recognition Triple -/
70
71/-- A recognition triple bundles a configuration space, event space,
72 and the implicit structure connecting them. This is the basic
73 object of study in recognition geometry. -/
74structure RecognitionTriple where
75 /-- The type of configurations -/
76 Config : Type*
77 /-- The type of events -/
78 Event : Type*
79 /-- Configurations form a valid configuration space -/
80 configSpace : ConfigSpace Config
81 /-- Events form a valid event space -/
82 eventSpace : EventSpace Event
83
84/-! ## Module Status -/
85
86def core_status : String :=
87 "✓ ConfigSpace defined (RG0)\n" ++
88 "✓ EventSpace defined\n" ++
89 "✓ Nonemptiness axiom established\n" ++
90 "✓ Nontriviality axiom established\n" ++
91 "✓ RecognitionTriple bundle defined\n" ++
92 "\n" ++
93 "CORE FOUNDATION COMPLETE"
94
95#eval core_status
96