nat/gcd_properties1.ma nat/gcd.ma
list/sort.ma datatypes/bool.ma datatypes/constructors.ma list/in.ma
didactic/exercises/natural_deduction.ma didactic/support/natural_deduction.ma
dama/bishop_set_rewrite.ma dama/bishop_set.ma
Z/times.ma Z/plus.ma nat/lt_arith.ma
nat/gcd_properties1.ma nat/gcd.ma
list/sort.ma datatypes/bool.ma datatypes/constructors.ma list/in.ma
didactic/exercises/natural_deduction.ma didactic/support/natural_deduction.ma
dama/bishop_set_rewrite.ma dama/bishop_set.ma
Z/times.ma Z/plus.ma nat/lt_arith.ma