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theorem proved decidable or rfl

bool_distinguishable

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formal statement (Lean)

  21theorem bool_distinguishable : (false : Bool) ≠ true := by

proof body

Decided by rfl or decide.

  22  decide
  23
  24/-- Any carrier supporting a Boolean predicate with both truth values
  25inherits an object-level distinction. -/

used by (3)

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depends on (2)

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