equal
deleted
inserted
replaced
26 val Let_def = Let_def; |
26 val Let_def = Let_def; |
27 val if_def = if_def; |
27 val if_def = if_def; |
28 val arbitrary_def = arbitrary_def; |
28 val arbitrary_def = arbitrary_def; |
29 end; |
29 end; |
30 |
30 |
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31 AddXIs [disjI1, disjI2]; |
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32 |
31 open HOL; |
33 open HOL; |