2 lines
129 B
Text
2 lines
129 B
Text
list.rec_on :
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Π (n : list ?M_1), ?M_2 list.nil → (Π (a : ?M_1) (a_1 : list ?M_1), ?M_2 a_1 → ?M_2 (a :: a_1)) → ?M_2 n
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