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theorem proved term proof

nonCollapse_monotone_automatic

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formal statement (Lean)

 125theorem nonCollapse_monotone_automatic (sys : DirectedRefinement C) :
 126    ∀ i c₁ c₂,
 127      ¬Indistinguishable (sys.recognizer i) c₁ c₂ →
 128      ¬Indistinguishable (sys.recognizer (i + 1)) c₁ c₂ :=

proof body

Term-mode proof.

 129  monotone_separation_of_refinement sys
 130
 131/-- The convergence condition implies: the intersection of all
 132equivalence relations is the identity (diagonal). -/

depends on (18)

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