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theorem proved term proof

voice_forced

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formal statement (Lean)

 125theorem voice_forced (vc : VoiceForcingConditions) :
 126    0 < voiceQualityFromJbar vc.jbar :=

proof body

Term-mode proof.

 127  voice_emerges_below_threshold vc.jbar vc.jbar_nonneg vc.jbar_below_threshold
 128
 129/-- Berry content of forced voice: positive when quality is positive.
 130    berry_content = quality * base_berry where base_berry comes from
 131    non-trivial resolution loops. -/

used by (2)

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depends on (13)

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