Harbor pilots often board ships miles offshore using a pilot ladder, and the entire transfer depends on weather positioning, proper rigging, and disciplined seamanship. This breakdown explains the ...

MOVING WALL The "moving wall" represents the time period between the last issue available in JSTOR and the most recently published issue of a journal. Moving walls are generally represented in years.

The Journal of Symbolic Logic (JSL) was founded in 1936 and it has become the leading research journal in the field. It is issued quarterly. Volume 71, being published during 2006, will consist of ...