George F. Schumm - researchr alias

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Viewing Publication 1 - 19 from 19

1990

The number of {□, →}-logicsGeorge F. Schumm. mlq, 36(6):517-518, 1990. [doi]

Expressive Completeness and DecidabilityGeorge F. Schumm, Stewart Shapiro. ndjfl, 31(4):576-579, 1990.

1989

Some Compactness Results for Modal LogicGeorge F. Schumm. ndjfl, 30(2):285-290, 1989.

1988

The number of nonnormal extensions of S4George F. Schumm. ndjfl, 29(1):106-108, 1988. [doi]

1986

Some failures of interpolation in modal logicGeorge F. Schumm. ndjfl, 27(1):108-110, 1986. [doi]

1981

Bounded Properties in Modal LogicGeorge F. Schumm. mlq, 27(13-14):197-200, 1981. [doi]

1979

Negation-Free Modal LogicsGeorge F. Schumm, Roy Edelstein. mlq, 25(13-18):281-288, 1979. [doi]

1978

An Incomplete Nonnormal Extension of S3George F. Schumm. JSYML, 43(2):211-212, 1978.

K in its placeGeorge F. Schumm. ndjfl, 19(4):623-628, 1978. [doi]

1975

A Henkin-style completeness proof for the pure implicational calculusGeorge F. Schumm. ndjfl, 16(3):402-404, 1975. [doi]

Remark on a logic of preferenceGeorge F. Schumm. ndjfl, 16(4):509-510, 1975. [doi]

Wajsberg normal forms for S5George F. Schumm. jphil, 4(4):357-360, 1975. [doi]

Disjunctive extensions of S4 and a conjecture of Goldblatt'sGeorge F. Schumm. mlq, 21(1):81-86, 1975. [doi]

1974

ZGeorge F. Schumm. ndjfl, 15(2):295-297, 1974. [doi]

S3.02=S3.03George F. Schumm. ndjfl, 15(1):147-148, 1974. [doi]

1971

Solutions to four modal problems of SobocińskiGeorge F. Schumm. ndjfl, 12(3):335-340, 1971. [doi]

1969

On some open questions of B. SobocińskiGeorge F. Schumm. ndjfl, 10(3):261-262, 1969. [doi]

On a modal system of D. C. Makinson and B. SobocińskiGeorge F. Schumm. ndjfl, 10(3):263-265, 1969. [doi]

1968

A note on the structure of the power setGeorge F. Schumm. ndjfl, 9(4):303-304, 1968. [doi]

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