prove substitution lookup preserves definitional equality - #38
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arthurpaulino wants to merge 1 commit into
Open
prove substitution lookup preserves definitional equality#38arthurpaulino wants to merge 1 commit into
arthurpaulino wants to merge 1 commit into
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Show that a two-sided context substitution maps every source lookup to definitionally equal target terms. Handle the identity context directly and follow zero/successor lookups through each substitution extension.
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Show that a two-sided context substitution maps every source lookup to definitionally equal target terms. Handle the identity context directly and follow zero/successor lookups through each substitution extension.