diff -r af4fb03ecf32 -r 67451725fb41 Tutorial/Tutorial1.thy --- a/Tutorial/Tutorial1.thy Sun Jan 23 07:15:59 2011 +0900 +++ b/Tutorial/Tutorial1.thy Tue Jan 25 02:46:05 2011 +0900 @@ -132,7 +132,7 @@ term "Lam [x].Var x" -- {* a lambda-term *} term "App t1 t2" -- {* another lambda-term *} term "x::name" -- {* an (object) variable of type name *} -term "atom (x::name)" -- {* atom is an overloded function *} +term "atom (x::name)" -- {* atom is an overloaded function *} text {* Lam [x].Var is the syntax we made up for lambda abstractions. If you @@ -395,14 +395,14 @@ Just like gotos in the Basic programming language, labels often reduce the readability of proofs. Therefore one can use in Isar the notation "then have" in order to feed a have-statement to the proof of - the next have-statement. This is used in teh second case below. + the next have-statement. This is used in the second case below. *} text {* The label ih2 cannot be got rid of in this way, because it is used - two lines below and we cannot rearange them. We can still avoid the + two lines below and we cannot rearrange them. We can still avoid the label by feeding a sequence of facts into a proof using the "moreover"-chaining mechanism: