| D. R. Dams (1999) Flat Fragments of CTL and CTL |
....design obligations. Table 1 summarizes the different kinds of strong constraints. Each of these has a weak counterpart, denoted by a shaded instead of a solid constraint arc. The constraints, which are more closely examined in the next section, are akin to negation free flat formulae of PTL [6], i.e. correspond to until or unlessformulae with propositional left hand side, yet add expressiveness beyond the flat fragment of PTL by subsuming the timed variants of until and unless also. 2 ffl An activation mode. Initial diagrams describe requirements on the initial system behaviour ....
....requirements which must be satisfied at any time during system lifetime. Invariant mode corresponds to the always modality of linear time temporal logic, implying that in contrast to timing diagram formalisms employing iteration multiple incarnations of the 2 Flat PTL, as defined in [6], cannot simulate the timed variants as it does not feature a next operator. Visual Temporal Logic as a Rapid Prototyping Tool 5 (c) b) a) 0, 150] 0, 61, 60,60] failure pulse failure motion sensor lights on failure lights on reset scene = 0 = 0 = 0 = 1 = 1 = 0 = ....
[Article contains additional citation context not shown here]
D. R. Dams (1999) Flat Fragments of CTL and CTL ? : Separating the Expressive and Distinguishing Powers. Logic Journal of the IGPL 7(1): 55--78.
....design obligations. Table 1 summarizes the different kinds of strong constraints. Each of these has a weak counterpart, denoted by a shaded instead of a solid constraint arc. The constraints, which are more closely examined in the next section, are akin to negation free flat formulae of PTL [6], i.e. correspond to until or unlessformulae with propositional left hand side, yet add expressiveness beyond the flat fragment of PTL by subsuming the timed variants of until and unless also. 2 ffl An activation mode. Initial diagrams describe requirements on the initial system behaviour ....
....requirements which must be satisfied at any time during system lifetime. Invariant mode corresponds to the always modality of linear time temporal logic, implying that in contrast to timing diagram formalisms employing iteration multiple incarnations of the 2 Flat PTL, as defined in [6], cannot simulate the timed variants as it does not feature a next operator. Visual Temporal Logic as a Rapid Prototyping Tool 5 (c) b) a) 0, 150] 0, 61, 60,60] failure pulse failure motion sensor lights on failure lights on reset scene = 0 = 0 = 0 = 1 = 1 = 0 = ....
[Article contains additional citation context not shown here]
D. R. Dams (1999) Flat Fragments of CTL and CTL ? : Separating the Expressive and Distinguishing Powers. Logic Journal of the IGPL 7(1): 55--78.
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D. R. Dams (1999) Flat Fragments of CTL and CTL
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