Search for: [Abstract = "The concept of Intuitionistic Fuzzy Graph \(IFG\) was introduced in 1994 in \[11\]. It was an object of some subsequent extensions \(see \[4, 6, 12\]\), representations \(see \[2, 3, 5\]\) and applications \(see \[5\]\). In \[8\] we discussed an intuitionistic fuzzy version of the special particular case of a graph – the tree, called an Intuitionistic Fuzzy Tree \(IFTree\). In \[9\] we gave the index matrix \(IM, see \[1, 7\]\) interpretation and gave an example for an application of the IFTrees. Here we shall introduce operation “substitution” of a leaf of an IFTrees with whole IFTrees."]

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