TPTP Problem File: LCL716^1.p
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% File : LCL716^1 : TPTP v9.0.0. Bugfixed v5.0.0.
% Domain : Logic Calculi (Quantified multimodal logic)
% Problem : Axiom implies accessibility relation for weak density
% Version : [Ben09] axioms.
% English :
% Refs : [Gol92] Goldblatt (1992), Logics of Time and Computation
% : [Ben09] Benzmueller (2009), Email to Geoff Sutcliffe
% Source : [Ben09]
% Names : ex32_22.p [Ben09]
% Status : Theorem
% Rating : 0.50 v8.2.0, 0.69 v8.1.0, 0.55 v7.5.0, 0.57 v7.4.0, 0.78 v7.2.0, 0.75 v7.0.0, 0.71 v6.4.0, 0.67 v6.3.0, 0.60 v6.2.0, 0.57 v6.1.0, 0.43 v5.5.0, 0.67 v5.4.0, 0.80 v5.3.0, 1.00 v5.2.0, 0.80 v5.0.0
% Syntax : Number of formulae : 64 ( 31 unt; 32 typ; 31 def)
% Number of atoms : 99 ( 36 equ; 0 cnn)
% Maximal formula atoms : 7 ( 3 avg)
% Number of connectives : 135 ( 4 ~; 4 |; 8 &; 110 @)
% ( 0 <=>; 9 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 1 avg)
% Number of types : 3 ( 1 usr)
% Number of type conns : 171 ( 171 >; 0 *; 0 +; 0 <<)
% Number of symbols : 38 ( 36 usr; 6 con; 0-3 aty)
% Number of variables : 86 ( 50 ^; 30 !; 6 ?; 86 :)
% SPC : TH0_THM_EQU_NAR
% Comments :
% Bugfixes : v5.0.0 - Bugfix to LCL013^0.ax
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%----Include embedding of quantified multimodal logic in simple type theory
include('Axioms/LCL013^0.ax').
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thf(conj,conjecture,
! [R: $i > $i > $o] :
( ( mvalid
@ ( mforall_prop
@ ^ [A: $i > $o] : ( mimplies @ ( mbox @ R @ ( mbox @ R @ A ) ) @ ( mbox @ R @ A ) ) ) )
=> ( mweakly_dense @ R ) ) ).
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