… , is satisfiable in our model Mz. Finally, we show that if there is no closed tableau for G, then
-… article is more expressive than the one of graph rules, since all First-Order Logic formulae …

… Furthermore, our rules seem more in line with the graph-rules for propositional logic 4
and they are proof-theoretically well motivated, as is made clear in the discussion above. …

… objects since, whenever a model exists, at least one model does not reflect the intended …
of a graph, our formalism allows for graph rules. The following definition refines the general …

… (CG) is a knowledge representation model descending from … be expressed with graph rules
and existential graphs constructs … In this section, we present a tableaux algorithm to prove the …

… tableau procedure for the extended language is defined. It decomposes the sentences with
analytic tableau … Satchmo, [MB88], a theorem prover based on a model-generation paradigm …

… that relies upon graph-based reasonings to compute deduction … , mixes graph-based
reasonings with a tableaux mechanism). … We present here the model of a two player game, but it is …

… We present a purely declarative graph-based formal model, which could be the basis of a …
Besides a common base called “the simple graph model” in this paper, the original model …

… can be expressed with graph rules and existential graphs … In this section, we present a
tableaux algorithm to prove the … We prove that I is a model of C by induction on the structure of …

… enjoys a small model property: If a formula is satisfiable, then it has a model whose cardinality
is … how the small model property can be used in order to devise a tableau-based decision …

… onto simple graphs with tableaux rules. The constrained derivation model outlined in this
paper … Sound and complete forward and backward chainings of graph rules. In ICCS’96 Proc., …