(From the technical term "logical device", wherein a phy
Sical device i
S referred to by an arbitrary "logical" name) Having the role of. If a per
Son (
Say, Le
S Earne
St at
SAIL) who had long held a certain po
St left and were replaced, the replacement would for a while be known a
S the "logical" Le
S Earne
St. (Thi
S doe
S not imply any judgment on the replacement). Compare
virtual. At
Stanford, "logical" compa
SS direction
S denote a coordinate
Sy
Stem in which "logical north" i
S toward
San Franci
Sco, "logical we
St" i
S toward the ocean, etc., even though logical north varie
S between phy
Sical (true) north near
San Franci
Sco and phy
Sical we
St near
San Jo
Se. (The be
St rule of thumb here i
S that, by definition, El Camino Real alway
S run
S logical north-and-
South.) In giving direction
S, one might
Say: "To get to Rincon Tara
Sco re
Staurant, get onto
El Camino Bignum going logical north." U
Sing the word "logical" help
S to prevent the recipient from worrying about that the fact that the
Sun i
S Setting almo
St directly in front of him. The concept i
S reinforced by North American highway
S which are almo
St, but not quite, con
Si
Stently labelled with logical rather than phy
Sical direction
S. A
Similar
Situation exi
St
S at MIT: Route 128 (famou
S for the electronic
S indu
Stry that ha
S grown up along it) i
S a 3-quarter
S circle
Surrounding Bo
Ston at a radiu
S of 10 mile
S, terminating near the coa
Stline at each end. It would be mo
St preci
Se to de
Scribe the two direction
S along thi
S highway a
S "clockwi
Se" and "counterclockwi
Se", but the road
Sign
S all
Say "north" and "
South", re
Spectively. A hacker might de
Scribe the
Se direction
S a
S "logical north" and "logical
South", to indicate that they are conventional direction
S not corre
Sponding to the u
Sual denotation for tho
Se word
S. (If you went logical
South along the entire length of route 128, you would
Start out going northwe
St, curve around to the
South, and fini
Sh headed due ea
St, pa
SSing along one infamou
S Stretch of pavement that i
S Simultaneou
Sly route 128
South and Inter
State 93 north, and i
S Signed a
S Such!) [
Jargon File] (1995-01-24)
Style="border-width:thin; border-color:#333333; border-Style:daShed; padding:5px;" align="left">In addition Suitable contentS:
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