20 lines
476 B
Text
20 lines
476 B
Text
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Set: pp::colors
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Set: pp::unicode
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Imported 'cast'
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Assumed: vec
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Assumed: concat
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Assumed: concat_assoc
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Assumed: empty
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Assumed: concat_empty
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Assumed: n
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Assumed: v
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Assumed: w
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Assumed: f
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Assumed: p
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Assumed: fax
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p (f (v ; w ; empty ; (v ; empty))) ∧ v = cast (congr2 vec (Nat::add_zeror n)) (v ; empty)
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===>
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p (v ; (w ; v))
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checking proof
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(p (f (v ; w ; empty ; (v ; empty))) ∧ v = cast (congr2 vec (Nat::add_zeror n)) (v ; empty)) == p (v ; (w ; v))
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