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VL
2002
IEEE
105views Visual Languages» more  VL 2002»
13 years 9 months ago
A Visual Framework for Modelling with Heterogeneous Notations
There is a range of modelling notations, both textual and diagrammatic, whose semantics are based on first-order predicate logic. This paper presents a visual framework for organ...
Jean Flower, John Howse, John Taylor, Stuart Kent
BIRTHDAY
2005
Springer
13 years 10 months ago
a-logic
We present an extension of first-order predicate logic with a novel predicate ‘at t’ meaning intuitively “this term is a variable symbol”. We give simple sequent proof-ru...
Murdoch Gabbay, Michael Gabbay