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Fitch notation

Known as: Calculus (disambiguation), Fitch, Fitch-style calculus 
Fitch notation, also known as Fitch diagrams (named after Frederic Fitch), is a notational system for constructing formal proofs used in sentential… 
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Papers overview

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Review
2007
Review
2007
Volunteer labor is commonly used to produce many goods and services in our economy. Many studies examine the supply of volunteer… 
Highly Cited
2003
Highly Cited
2003
Tens-of-thousands of open-pollinated cultivars of corn (Zea mays L.) are being maintained in germplasm banks. Knowledge of the… 
Highly Cited
2002
Highly Cited
2002
The sections Azorelloida, Neoandina, and Paramensia of Geranium, all of them from the Andes, are taxonomically revised. Fruits… 
2002
2002
Abstract. The internal transcribed spacers (ITS1 and ITS2) of nuclear ribosomal DNA were amplified and sequenced from 19 samples… 
1996
1996
Hydrothermal treatment of a mixture of silicic acid, cobalt chloride, sodium dithionite and sodium hydroxide at 250 °C under 500… 
Highly Cited
1987
Highly Cited
1987
Section I. General Considerations * General Principles of Exercise Testing Victor F. Froelicher and Stephen G. Stahr * General… 
1985
1985
Albumins from several species assigned to Lacerta s. 1. and Gallotia were investigated by means of the Micro-Complement fixation… 
Highly Cited
1982
Highly Cited
1982
The historical record of large (M > 6.9) earthquakes and geologically determined rates of slip on Quaternary faults in intraplate…