--- a/src/HOL/Real/Lubs.ML Tue Jul 14 13:33:12 1998 +0200
+++ b/src/HOL/Real/Lubs.ML Wed Jul 15 10:15:13 1998 +0200
@@ -10,34 +10,34 @@
(*------------------------------------------------------------------------
Rules for *<= and <=*
------------------------------------------------------------------------*)
-Goalw [setle_def] "!!x. ALL y: S. y <= x ==> S *<= x";
+Goalw [setle_def] "ALL y: S. y <= x ==> S *<= x";
by (assume_tac 1);
qed "setleI";
-Goalw [setle_def] "!!x. [| S *<= x; y: S |] ==> y <= x";
+Goalw [setle_def] "[| S *<= x; y: S |] ==> y <= x";
by (Fast_tac 1);
qed "setleD";
-Goalw [setge_def] "!!x. ALL y: S. x<= y ==> x <=* S";
+Goalw [setge_def] "ALL y: S. x<= y ==> x <=* S";
by (assume_tac 1);
qed "setgeI";
-Goalw [setge_def] "!!x. [| x <=* S; y: S |] ==> x <= y";
+Goalw [setge_def] "[| x <=* S; y: S |] ==> x <= y";
by (Fast_tac 1);
qed "setgeD";
(*------------------------------------------------------------------------
Rules about leastP, ub and lub
------------------------------------------------------------------------*)
-Goalw [leastP_def] "!!x. leastP P x ==> P x";
+Goalw [leastP_def] "leastP P x ==> P x";
by (Step_tac 1);
qed "leastPD1";
-Goalw [leastP_def] "!!x. leastP P x ==> x <=* Collect P";
+Goalw [leastP_def] "leastP P x ==> x <=* Collect P";
by (Step_tac 1);
qed "leastPD2";
-Goal "!!x. [| leastP P x; y: Collect P |] ==> x <= y";
+Goal "[| leastP P x; y: Collect P |] ==> x <= y";
by (blast_tac (claset() addSDs [leastPD2,setgeD]) 1);
qed "leastPD3";
@@ -51,19 +51,19 @@
by (Step_tac 1);
qed "isLubD1a";
-Goalw [isUb_def] "!!x. isLub R S x ==> isUb R S x";
+Goalw [isUb_def] "isLub R S x ==> isUb R S x";
by (blast_tac (claset() addDs [isLubD1,isLubD1a]) 1);
qed "isLub_isUb";
-Goal "!!x. [| isLub R S x; y : S |] ==> y <= x";
+Goal "[| isLub R S x; y : S |] ==> y <= x";
by (blast_tac (claset() addSDs [isLubD1,setleD]) 1);
qed "isLubD2";
-Goalw [isLub_def] "!!x. isLub R S x ==> leastP(isUb R S) x";
+Goalw [isLub_def] "isLub R S x ==> leastP(isUb R S) x";
by (assume_tac 1);
qed "isLubD3";
-Goalw [isLub_def] "!!x. leastP(isUb R S) x ==> isLub R S x";
+Goalw [isLub_def] "leastP(isUb R S) x ==> isLub R S x";
by (assume_tac 1);
qed "isLubI1";
@@ -72,27 +72,27 @@
by (Step_tac 1);
qed "isLubI2";
-Goalw [isUb_def] "!!x. [| isUb R S x; y : S |] ==> y <= x";
+Goalw [isUb_def] "[| isUb R S x; y : S |] ==> y <= x";
by (fast_tac (claset() addDs [setleD]) 1);
qed "isUbD";
-Goalw [isUb_def] "!!x. isUb R S x ==> S *<= x";
+Goalw [isUb_def] "isUb R S x ==> S *<= x";
by (Step_tac 1);
qed "isUbD2";
-Goalw [isUb_def] "!!x. isUb R S x ==> x: R";
+Goalw [isUb_def] "isUb R S x ==> x: R";
by (Step_tac 1);
qed "isUbD2a";
-Goalw [isUb_def] "!!x. [| S *<= x; x: R |] ==> isUb R S x";
+Goalw [isUb_def] "[| S *<= x; x: R |] ==> isUb R S x";
by (Step_tac 1);
qed "isUbI";
-Goalw [isLub_def] "!!x. [| isLub R S x; isUb R S y |] ==> x <= y";
+Goalw [isLub_def] "[| isLub R S x; isUb R S y |] ==> x <= y";
by (blast_tac (claset() addSIs [leastPD3]) 1);
qed "isLub_le_isUb";
-Goalw [ubs_def,isLub_def] "!!x. isLub R S x ==> x <=* ubs R S";
+Goalw [ubs_def,isLub_def] "isLub R S x ==> x <=* ubs R S";
by (etac leastPD2 1);
qed "isLub_ubs";