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-rw-r--r--modeling/prod_subtraction.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/modeling/prod_subtraction.py b/modeling/prod_subtraction.py
index 91137bb..1d1f73e 100644
--- a/modeling/prod_subtraction.py
+++ b/modeling/prod_subtraction.py
@@ -14,6 +14,7 @@ def subtraction(Model):
arg2 =arg2
?retrieval>
state free
+ buffer empty
==>
=g>
isa math_goal
@@ -191,6 +192,7 @@ def subtraction(Model):
tens2 =num2
ones_carry 1
?retrieval>
+ buffer empty
state free
==>
=g>
@@ -264,6 +266,7 @@ def subtraction(Model):
tens2 =num2
ones_carry 0
?retrieval>
+ buffer empty
state free
==>
=g>
@@ -387,6 +390,7 @@ def subtraction(Model):
hundreds2 =num2
tens_carry 1
?retrieval>
+ buffer empty
state free
==>
=g>
@@ -460,6 +464,7 @@ def subtraction(Model):
hundreds2 =num2
tens_carry 0
?retrieval>
+ buffer empty
state free
==>
=g>