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[lambda.git]
/
topics
/
_week5_system_F.mdwn
diff --git
a/topics/_week5_system_F.mdwn
b/topics/_week5_system_F.mdwn
index
7248815
..
f0134f9
100644
(file)
--- a/
topics/_week5_system_F.mdwn
+++ b/
topics/_week5_system_F.mdwn
@@
-10,9
+10,9
@@
ponens:
Expression Type Implication
----------------------------------
fn α -> β α ⊃ β
Expression Type Implication
----------------------------------
fn α -> β α ⊃ β
-arg α
α
------- ------
--------
-fn arg β
β
+arg α α
+------ ------ --------
+fn arg β β
</pre>
The implication in the right-hand column is modus ponens, of course.
</pre>
The implication in the right-hand column is modus ponens, of course.