recurrence.py

Created on November 21, 2021

398 Bytes

on verifie que la propriete est vraie
c est a dire que la propriete est vraie
pour uncertain n=0


supposons donc que pour un entier n
la propriete soit vraie:
  
on montre alors que la propriete est 
encore vraie au rang n+1
  
la propriete est vraie pour n=7
et est hereditaire, donc par recurrence
elle est vraie pour tout n<=7 
c est a dire que 3**2<=7! pour tout 
entier n<=7

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