24;7 August 2015,Nanjing,China http://www.inf.kcl.ac.uk/staff/urbanc/itp-2015/ITP is the premier international conference for researchers from all areas of interactive theorem proving and its applications.The sixth conference will be held on 24 through 27 August 2015 in Nanjing.Topics The programme committee welcomes submissions on all aspects of interactive theorem proving and its applications.The topics include,but are not limited to,the following:Specification and verification of hardware:microprocessors,memory systems,pipelines,etc;formal semantics of hardware