Default = > false
L:Pattern. const_ptn(L) 
| No other cites to report in MarkB_generic | |
| const_ptn | Def const_ptn(l) == Case(l) Case ptn_atom(a) = > true Default = > false |
| Thm* L:Pattern. const_ptn(L) | |
| case_default | Def Default = > body(value,value) == body |
| case_ptn_atom | Def Case ptn_atom(x) = > body(x) cont(x1,z) == InjCase(x1; x2. body(x2); _. cont(z,z)) |
| case | Def Case(value) body == body(value,value) |
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