( BEA's Silver Star service included complimentary hot meals on all flights whereas Pan Am only offered free on-board snacks.

But whereas civilized men no longer pursue the fountain, they never abandoned their pursuit of the enchanting index.

Northerners never think about them whereas Southerners are never really thinking of anything else.

For example, the spectrum of an element of a complex Banach algebra can never be empty, whereas in a real Banach algebra it could be empty for some elements.

For example, Homer allows spondaic fifth feet ( albeit not often ), whereas many later authors virtually never did.

Third, Robinson claims that elements consistent with John's alternative chronology can be found in each of the Synoptic accounts, whereas the contrary is never the case.

In laser ablation for example, a small volume of material at the surface of a work piece can be evaporated if it is heated in a very short time, whereas supplying the energy gradually would allow for the heat to be absorbed into the bulk of the piece, never attaining a sufficiently high temperature at a particular point.

In the absence of soft tissues, such as the pouch and reproductive system, fossil marsupials can be distinguished from placentals by the form of their teeth ; primitive marsupials possess four pairs of molar teeth in each jaw, whereas placental mammals never have more than three pairs.

A further difference is that in word formation, the resultant word may differ from its source word ’ s grammatical category whereas in the process of inflection the word never changes its grammatical category.

Note however that Kierkegaard's meaning of " nihilism " differs from the modern definition in the sense that, for Kierkegaard, levelling led to a life lacking meaning, purpose or value, whereas the modern interpretation of nihilism posits that there was never any meaning, purpose or value to begin with.

The common contemporary Latin legal term used in documents of the Holy Roman Empire was for a long time regnum (" rule, domain, empire ", such as in Regnum Francorum for the Frankish Kingdom ) before imperium was in fact adopted, the latter first attested in 1157, whereas the parallel use of regnum never fell out of use during the Middle Ages.

When others of Odo's species ( the Founders ) are later introduced, they share a similar " unfinished " look, which they adopt to make Odo feel at ease around them as they are able to replicate humanoids exactly, whereas Odo, having grown up without others of his kind, never learned to master it.

Prokofiev wrote in his autobiography that he could never understand why the Sinfonietta was so rarely performed, whereas the " Classical " Symphony was played everywhere.

If the management ethos is to reward the number of bugs fixed, then some developers may quickly write sloppy code knowing they can fix the bugs later and be rewarded for it, whereas careful, perhaps " slower " developers do not get rewarded for the bugs that were never there.

Thus, the standard form of corporal punishment in US schools ( licks with a paddle ) is often referred to as a spanking, whereas its pre-1997 English equivalent ( strokes of the cane ) would never have been so described.

The Voice of Prophecy explains that the events of the preceding books were the result of an ancient, cosmic event that resulted in the Light and Dark prophecies, and that Eriond, the final Child of the Light, is actually the original, true God of Angarak, whereas Torak was never meant to be a God.

For example hip hop artists almost always use stage names, whereas " classical " composers and performers virtually never do ( violinist Hahn-Bin, born in South Korea as Yoo Hanbin, being a rare exception ).

Napoleon " spared no pains " to please her and claimed at one point to prefer Marie Louise to his first wife Joséphine ; while he had loved Joséphine, he claimed, he had not respected her, whereas with Marie Louise, there was " Never a lie, never a debt " — presumably a reference to Joséphine's rumoured extramarital affairs and reputation as a spendthrift.

They finished with the fourth worst record in the league, and in the Draft Lottery, won the opportunity to select first overall in the draft, whereas the team had never had a draft pick higher than third overall.

* In Magician's Gambit, the Voice of Prophecy tells Garion that he has never spoken to Belgarath directly, whereas Belgarath records many conversations between Belgarath and the voice.

Female circumcision was sometimes thought to get rid of the evil spirit, whereas finding the evil spirits Iyi-uwa, which they have dug somewhere secret, would ensure the Ogbanje would never plague the family with misfortune again.

This belief arose because hair that has never been cut has a tapered end, whereas, after cutting, there is no taper.

He believed that " to be obliged to do good is always an advantage and that heretics and schismatics, when forced to apply their minds to the consideration of truth, eventually lay aside their erroneous beliefs, whereas they would never have examined these matters had not authority constrained them.

Borghorst became a prosperous city because of its flourishing textile industries, whereas Burgsteinfurt has never been an industrial town, but rather a city of culture and administration.

The true Amanita verna fruits in spring and turns yellow with KOH solution, whereas A. phalloides never does.

Moreover, whereas in Interstate Commerce Commission parlance `` variable cost '' means a cost deemed to vary in direct proportion to changes in rate of output, in the type of analysis now under review `` variable cost '' has been used more broadly, so as to cover costs which, while a function of some one variable ( such as output of energy, or number of customers ), are not necessarily a linear function.

Body parts, pointers, adapted mice, joysticks, or eye tracking could be used, whereas switch access scanning is often used for indirect selection.

Brønsted-Lowry theory can also be used to describe molecular compounds, whereas Arrhenius acids must be ionic compounds.

Its domain is the powerset of A ( with the empty set removed ), and so makes sense for any set A, whereas with the definition used elsewhere in this article, the domain of a choice function on a collection of sets is that collection, and so only makes sense for sets of sets.

Interestingly, the London Confession of 1689 was later used by Calvinistic Baptists in America ( called the Philadelphia Baptist Confession ), whereas the Standard Confession of 1660 was used by the American heirs of the English General Baptists, who soon came to be known as Free Will Baptists.

Oral antibacterials are orally ingested, whereas intravenous administration may be used in more serious cases, such as deep-seated systemic infections.

The 8051 microcontroller has two, a primary accumulator and a secondary accumulator, where the second is used by instructions only when multiplying ( MUL AB ) or dividing ( DIV AB ); the former splits the 16-bit result between the two 8-bit accumulators, whereas the latter stores the quotient on the primary accumulator A and the remainder in the secondary accumulator B.

The dance technique used for both International and American styles is similar, but International Ballroom allows only closed dance positions, whereas American Smooth allows closed, open and separated dance movements.

For example, although the words wee and little are interchangeable in some contexts, wee ( as an adjective ) is almost exclusively written by some people from some parts of northern Britain ( and especially Scotland ) or from Northern Ireland, whereas in Southern England and Wales, little is used predominantly.

The fact that they use an impact printing method allows them to be used to print multi-part documents using carbonless copy paper, like sales invoices and credit card receipts, whereas other printing methods are unusable with paper of this type.

The previous service used to take 9 hours, whereas the tilting trains take no more than 5. 5 hours.

Classical physics draws a distinction between particles and energy, holding that only the latter exhibit waveform characteristics, whereas quantum mechanics is based on the observation that matter has both wave and particle aspects and postulates that the state of every subatomic particle can be described by a wavefunction — a mathematical expression used to calculate the probability that the particle, if measured, will be in a given location or state of motion.

The term theoretical chemistry may be defined as a mathematical description of chemistry, whereas computational chemistry is usually used when a mathematical method is sufficiently well developed that it can be automated for implementation on a computer.

As used in these contexts the calorie ( unprefixed ) is based on the kilogram whereas the kilocalorie is based on the gram.

The difference is that the Cartesian product can be interpreted simply as a pair of items ( or a list ), whereas the tensor product, used to define a monoidal category, is suitable for describing entangled quantum states.

Digoxin from the foxglove plant is used clinically, whereas ouabain is used only experimentally due to its extremely high potency.

A key distinction between analysis of algorithms and computational complexity theory is that the former is devoted to analyzing the amount of resources needed by a particular algorithm to solve a problem, whereas the latter asks a more general question about all possible algorithms that could be used to solve the same problem.

Diacritic is primarily an adjective, though sometimes used as a noun, whereas diacritical is always and only an adjective.

For instance, one interface used during early development could declare everything public, whereas one used in testing and deployment could limit this.

Although the terms " educational psychology " and " school psychology " are often used interchangeably, researchers and theorists are likely to be identified as educational psychologists, whereas practitioners in schools or school-related settings are identified as school psychologists.

Biotope and habitat are sometimes used interchangeably, but the former applies to a community's environment, whereas the latter applies to a species ' environment.