class_docstr: Class for representing a SAT solver capable of
   finding a model to a boolean theory in conjunctive
   normal form.
class_docstr_tok: ["Class","for","representing","a","SAT","solver","capable","of","finding","a","model","to","a","boolean","theory","in","conjunctive","normal","form","."]
docstr: Clean up learned clauses.
docstr_tok: ["Clean","up","learned","clauses","."]
code: def _simple_clean_clauses(self):
      """Clean up learned clauses."""
      pass
  
imports: from collections import defaultdict
  from heapq import heappush, heappop
  from sympy.core.sorting import ordered
  from sympy.assumptions.cnf import EncodedCNF
  from sympy.logic.algorithms.lra_theory import LRASolver
label_desc: Use image node_id 21 for calling the SATSolver obj's underlying member method code with example usage: obj._simple_clean_clauses() without return types