| gptkbp:instanceOf | gptkb:proof_assistant 
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                                | gptkbp:application | gptkb:mathematics computer science
 formal verification
 theorem proving
 
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                                | gptkbp:citation | gptkb:Paulson,_L._C._(1994)._Isabelle:_A_Generic_Theorem_Prover._Springer. 
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                                | gptkbp:developer | gptkb:Lawrence_C._Paulson 
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                                | gptkbp:firstReleased | 1986 
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                                | gptkbp:license | gptkb:BSD_License 
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                                | gptkbp:notableProject | gptkb:Archive_of_Formal_Proofs gptkb:seL4_microkernel_verification
 
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                                | gptkbp:notableUser | gptkb:Gerwin_Klein gptkb:Makarius_Wenzel
 gptkb:Tobias_Nipkow
 
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                                | gptkbp:operatingSystem | Cross-platform 
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                                | gptkbp:programmingLanguage | gptkb:OCaml gptkb:Standard_ML
 
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                                | gptkbp:software | gptkb:Lean_(proof_assistant) gptkb:Agda
 gptkb:Coq
 gptkb:HOL_Light
 
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                                | gptkbp:supports | gptkb:Zermelo–Fraenkel_set_theory gptkb:First-order_logic
 gptkb:Higher-order_logic
 
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                                | gptkbp:website | https://isabelle.in.tum.de/ 
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                                | gptkbp:bfsParent | gptkb:The_Walking_Dead:_Daryl_Dixon gptkb:HOL
 gptkb:Isabelle_van_den_Broek
 gptkb:Hugo_(2011_film)
 gptkb:Isabel
 gptkb:Tallink_Silja
 gptkb:Animal_Crossing
 gptkb:L'Illusion_comique
 gptkb:Robert_le_diable
 gptkb:LCF_theorem_prover
 gptkb:CivilWarLand_in_Bad_Decline
 gptkb:The_Invention_of_Hugo_Cabret
 
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                                | gptkbp:bfsLayer | 6 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Isabelle 
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