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What and Who
Title:Stronger Higher-order Automation
Speaker:Sophie Tourret
coming from:Max-Planck-Institut für Informatik - RG 1
Speakers Bio:
Event Type:Joint Lecture Series
Visibility:D1, D2, D3, INET, D4, D5, SWS, RG1, MMCI
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Level:Public Audience
Language:English
Date, Time and Location
Date:Wednesday, 4 December 2019
Time:12:15
Duration:60 Minutes
Location:Saarbrücken
Building:E1 5
Room:002
Abstract
Automated reasoning in first-order logic (FOL) is becoming a mature
research domain. It has led to the development of powerful tools such as
superposition-based theorem provers and SMT solvers (Satisfiability
Modulo Theory solvers), that have found and continue to find many
applications in industry and research.

One such application is the automation of proofs in interactive theorem
proving (ITP), where proof assistants are used to write computer-checked
proofs of theorems, generally expressed in a variant of higher-order
logic (HOL). This automation is realised via "hammers", that attempt to
delegate the proof obligations to first-order automated provers.
However, in the translation from HOL to FOL, hammers obfuscate the
structure of terms and formulas through the application of a sequence of
encodings, although it is this very structure that the provers exploit
to find proofs efficiently.

This situation is less than ideal, and if until a few years ago, the ITP
and ATP communities were working in parallel, mostly ignoring each
other, there is nowadays a trend pushing to bring the two communities
closer. The work that I will present in this talk is part of this trend.
It includes ongoing research that is either improving higher-order
automation with respect to ITP applications or using ITP as a vehicle
for ATP research.
Contact
Name(s):Jennifer Müller
Phone:2900
EMail:--email address not disclosed on the web
Video Broadcast
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Attachments, File(s):
  • Jennifer Müller, 11/04/2019 03:47 PM
  • Jennifer Müller, 08/26/2019 11:51 AM -- Created document.