Found the following HTML validation problems:
ConceptLattice.html:92:6: Warning: missing </span> before <p>


ConceptLattice.html:92:84: Warning: inserting implicit <span>


ConceptLattice.html:95:6: Warning: missing </span> before <p>


ConceptLattice.html:95:90: Warning: inserting implicit <span>


ConceptLattice.html:98:6: Warning: missing </span> before <p>


ConceptLattice.html:98:90: Warning: inserting implicit <span>


ConceptLattice.html:101:6: Warning: missing </span> before <p>


ConceptLattice.html:101:91: Warning: inserting implicit <span>


ConceptLattice.html:104:6: Warning: missing </span> before <p>


ConceptLattice.html:104:88: Warning: inserting implicit <span>


ConceptLattice.html:107:6: Warning: missing </span> before <p>


ConceptLattice.html:107:87: Warning: inserting implicit <span>


ConceptLattice.html:110:6: Warning: missing </span> before <p>


ConceptLattice.html:110:86: Warning: inserting implicit <span>


ConceptLattice.html:113:6: Warning: missing </span> before <p>


ConceptLattice.html:113:90: Warning: inserting implicit <span>


ConceptLattice.html:116:6: Warning: missing </span> before <p>


ConceptLattice.html:116:91: Warning: inserting implicit <span>


ConceptLattice.html:119:6: Warning: missing </span> before <p>


ConceptLattice.html:119:90: Warning: inserting implicit <span>


ConceptLattice.html:92:84: Warning: <a> illegal characters found in URI


ConceptLattice.html:92:6: Warning: trimming empty <span>


ConceptLattice.html:95:6: Warning: trimming empty <span>


ConceptLattice.html:98:6: Warning: trimming empty <span>


ConceptLattice.html:101:6: Warning: trimming empty <span>


ConceptLattice.html:104:6: Warning: trimming empty <span>


ConceptLattice.html:107:6: Warning: trimming empty <span>


ConceptLattice.html:110:6: Warning: trimming empty <span>


ConceptLattice.html:113:6: Warning: trimming empty <span>


ConceptLattice.html:116:6: Warning: trimming empty <span>


ConceptLattice.html:119:6: Warning: trimming empty <span>


ConceptSet.html:59:9: Warning: <a> illegal characters found in URI


ImplicationSet.html:41:9: Warning: <a> illegal characters found in URI


Set.html:41:9: Warning: <a> illegal characters found in URI