An early example is If It Had Happened Otherwise ( 1931 ) which features a contribution by Winston Churchill who examined what would have happened had Robert E. Lee won at the Battle of Gettysburg.

If the object being examined is living, whether human or animal, it is regarded as medical ; all other radiography is regarded as industrial radiographic work.

# If the queue is empty, every node on the graph has been examined – quit the search and return " not found ".

If, instead, the hypothesis was specified after some of the data were examined, and specifically tuned to match the direction in which the early data appeared to point, the calculation would overestimate statistical significance.

If Pica is a way for a person to escape an activity or situation, the reason why the person wants to escape the activity should be examined and the person should be moved to a new situation.

If a patient is examined in another type of nuclear medicine scan but the images are non-diagnostic, it may be possible to proceed straight to SPECT by moving the patient to a SPECT instrument, or even by simply reconfiguring the camera for SPECT image acquisition while the patient remains on the table.

If tuberculosis or cancer is suspected, a small piece of the pleura may be examined under a microscope to make a definitive diagnosis.

If one of these displays is examined with a sufficiently strong magnifier, it will be seen that each pixel is actually composed of red, green and blue sub-pixels which blend together at normal viewing distances, reproducing a wide range of colors as well as white and shades of gray.

" If you write any further preface, I must not see it, for I find that I shall be examined about it.

If he refuses to pay after being examined, he has breached a contract implied in fact.

If all walkthroughs are completed successfully, the qualifier's chain of command recommends that he be examined by a qualification board.

If the total ionization potentials ( see below ) of the 2 electrons in s orbitals ( the 2 < sup > nd </ sup > + 3 < sup > rd </ sup > ionization potentials ), are examined it can be seen that they increase in the sequence:

If a thin slice is examined under the microscope, it will be found to consist of cells of a rounded or bluntly angular form, lying in groups of two or more in a granular or almost homogeneous matrix.

If an invention falls into one of the special categories, the applicant ( e. g. inventor ) can petition to have it examined early.

If the opposition is admissible, the grounds for opposition are examined as to their merits.

If Kenny Richey were executed on the basis of this scientific evidence, then these chromatograms will become historical documents, examined by scientists all over the world to show just how wrong forensic evidence can be.

* If votes are transferred because a candidate has exceeded the quota required to win, all of that candidate's ballots are examined for transfer votes ( Senatorial rules ), unlike the method used for the Irish Dáil in which, after a candidate has reached the quota, only the last parcel of votes transferred to that candidate are examined for further preferences ( the Hare method ).

If, however, Coopers Hill is examined carefully, it is perceived that its aim is after all rather philosophical than topographical.

If a specimen must be observed at higher magnification, it can be examined with a scanning electron microscope ( SEM ), or a transmission electron microscope ( TEM ).

If there is a path of length x between the start and finish, and the minimum distance between a node and the finish is greater than x, that node need not be examined.

If the patient refuses to pay after being examined, he will have breached the implied contract.

A pattern is activated by certain expectations: If a person sees a big bird, he or she will classify it rather as a sea eagle than a golden eagle, assuming that his or her " sea-scheme " is currently activated and his " land-scheme " is not.

If a bird, bat, and a winged insect were scored for the character, " presence of wings ", a homoplasy would be introduced into the dataset, and this would confound the analysis, possibly resulting in a false evolutionary scenario.

If the cere is a bright blue, the bird is a male.

If the cere has white rings around the nostrils, the bird is likely female.

If oceanic conditions are unsuitable, seabirds will emigrate to more productive areas, sometimes permanently if the bird is young.

If another kingfisher enters its territory, both birds display from perches, and fights may occur, where a bird will grab the other's beak and try to hold it under water.

If the threat is another bird, however, the pelicans do not abandon the nest and may fight off the interloper by jabbing at them with their considerable bills.

If chased by a bird of prey or other predator, it will bolt straight down the nearest hole like a rodent until the danger has passed.

If the wind shear is of sufficient magnitude, a bird can climb into the wind gradient, trading ground speed for height, while maintaining airspeed.

If the bird makes it through, he tells them to row with all their might and Athena gave the Argo the extra push needed to clear them, " the Argo darted from the rocks like a flying arrow ", whereas in the film he gives Jason an amulet.

* ( If you try to feed the bird :) It's not hungry ( it's merely pinin ' for the fjords ).

If a bird sets off in the opposite direction, shown by the orange arrow, it will end up in Western Europe instead of South East Asia.

If the two wings of a bird are devotion and action, knowledge is its tail.

If the prey is further away, the bird will flap its wings a few times during the dive to increase distance.

" and he had to trade it in for another bird, which was a parrot, saying, " If you're hurt and can't work.

If the bird is recaptured the number on the band is recorded ( along with other identifying characteristics ) as a retrap.

If so, and if the parental subsidy is sufficient for the sure survival of only one extra bird, there will be grounds for conflict in deciding which sibling will be the one to benefit.

If anything, it should be even more important in a bird that nests in the cold, apparently foodless conditions of late winter.

If wild bird cover is planted for it, Kale, Quinoa and Millet are preferred, next to tall hedges or woodland.

Fellow guest Billy Connolly threatened, " If that bird comes anywhere near me, I'll break its neck and your bloody arm!

If a male bird is on the lookout for a partner and has a suitable nest, it must advertise the fact, either by its call, a visual display or both.

If the bird is excited, it may repeat this call several times.

If based on Brehm ( 1831 ), it refers to this bird.

If seen, this species is unlikely to be mistaken for any other bird.