Inclusion Logic and Fixed Point Logic
Inclusion Logic and Fixed Point Logic
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包含逻辑和定点逻辑
DOI:
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发表时间:
2013
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影响因子:
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通讯作者:
L. Hella
中科院分区:
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作者:
P. Galliani;L. Hella
We investigate the properties of Inclusion Logic, that is, First Order Logic with Team Semantics extended with inclusion dependencies. We prove that Inclusion Logic is equivalent to Greatest Fixed Point Logic, and we prove that all union-closed first-order definable properties of relations are definable in it. We also provide an Ehrenfeucht-Fra\"iss\'e game for Inclusion Logic, and give an example illustrating its use.