"On subsystems of the system J₁ of Arruda and Da Costa."

Igor Urbas (1990)

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DOI: 10.1002/MALQ.19900360203

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type: Journal Article

metadata version: 2017-05-17

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Igor Urbas:
On subsystems of the system J₁ of Arruda and Da Costa. Math. Log. Q. 36(2): 95-106 (1990)

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