Cover vol.6, no.4, December 2009

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PREFACE

Pages 1-1

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FUZZY HV -SUBSTRUCTURES IN A TWO DIMENSIONAL EUCLIDEAN VECTOR SPACE

Pages 1-9

Achilles Dramalidis; Thomas Vougiouklis

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FUZZY PSEUDOTOPOLOGICAL HYPERGROUPOIDS

Pages 11-19

Irina Cristea; Sarka Hoskova

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FUZZY HYPERIDEALS IN TERNARY SEMIHYPERRINGS

Pages 21-36

Bijan Davvaz

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T-FUZZY CONGRUENCES AND T-FUZZY FILTERS OF A BL-ALGEBRA

Pages 37-47

Rajab Ali Borzooei; Mahmood Bakhshi

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ON SOME STRUCTURES OF FUZZY NUMBERS

Pages 49-59

Antonio Maturo

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SPECTRUM OF PRIME FUZZY HYPERIDEALS

Pages 61-72

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SOME PROPERTIES OF T-FUZZY GENERALIZED SUBGROUPS

Pages 73-87

Mahmood Bakhshi; Rajab Ali Borzooei

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