]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/gTopLevel/esempi/evars.cic
This commit was manufactured by cvs2svn to create branch 'moogle'.
[helm.git] / helm / gTopLevel / esempi / evars.cic
diff --git a/helm/gTopLevel/esempi/evars.cic b/helm/gTopLevel/esempi/evars.cic
deleted file mode 100644 (file)
index 36ce17e..0000000
+++ /dev/null
@@ -1,33 +0,0 @@
-alias nat          /Coq/Init/Datatypes/nat.ind#1/1
-alias eqT          /Coq/Init/Logic_Type/eqT.ind#1/1
-alias eq           /Coq/Init/Logic/eq.ind#1/1
-alias refl_equal   /Coq/Init/Logic/eq.ind#1/1/1
-alias eq_ind       /Coq/Init/Logic/eq_ind.con
-alias eq_ind_r     /Coq/Init/Logic/eq_ind_r.con
-alias O            /Coq/Init/Datatypes/nat.ind#1/1/1
-alias S            /Coq/Init/Datatypes/nat.ind#1/1/2
-alias plus         /Coq/Init/Peano/plus.con
-alias mult         /Coq/Init/Peano/mult.con
-alias le           /Coq/Init/Peano/le.ind#1/1
-alias lt           /Coq/Init/Peano/lt.con
-alias not          /Coq/Init/Logic/not.con
-alias f_equal      /Coq/Init/Logic/f_equal.con
-alias le_trans     /Coq/Arith/Le/le_trans.con
-
-alias le_plus_plus /Coq/Arith/Plus/le_plus_plus.con
-alias le_reg_r     /Coq/Arith/Plus/le_reg_r.con
-alias le_reg_l     /Coq/Arith/Plus/le_reg_l.con
-
-alias plus_n_O     /Coq/Init/Peano/plus_n_O.con 
-
-!n:nat.!m:nat.(le n m)->(le (mult (S (S O)) n) (mult (S (S O)) m))
-
-(* Lo scopo dell'esercizio e' riuscire a effettuare la dimostrazione che *)
-(* (n <= m) -> (2*n <= 2*m) come la si farebbe su carta, ovvero:         *)
-(*                                                                       *)
-(*     2 * n                                                             *)
-(*  == n + n + 0     Simpl                                               *)
-(*  <= m + n + 0     le_reg_r because n <= m because hypothesis          *)
-(*  <= m + m + 0     le_reg_l because n + 0 <= m + 0 because le_reg_r    *)
-(*                    because hypothesis                                 *)
-(*  == 2 * m         Change                                              *)