If lights are off and an occupant re-enters a space, most current systems switch lights back on when motion is detected.

If the waterline beam ( width ) is too narrow the boat will be tender and the occupant at risk of falling out, if the beam is too wide the boat will be slow and have more resistance to waves.

If the vehicle rolls over or undergoes severe g-forces, then this primary method of occupant restraint may fail.

If, when this was all over, she found the words to tell him about it, she wondered if he would ever understand.

If you don't leave this country within 3 days, your life will be taken the same as Powell's was.

If we was both armed, you wouldn't talk so tough ''.

If it were the enemy, tactically his position was correct.

If the turn was too tight, a barrel roll would bring them out.

If it were not that I knew who it was I could have mistaken it for my Aunt so well did her clothes fit him.

If Franklin was an authentic genius, then Alexander Hamilton, with his exceptional precocity, consuming energy, and high ambition, was a political prodigy.

`` If you can conveniently let me have twenty dollars '', he wrote one friend in 1791 when he was Secretary of the Treasury.

If an automobile were approaching him, he would know what was required of him, even though he might not be able to act quickly enough.

If living Jews were unavailable for study, the Bible was at hand.

If there was ever a thought in her mind she might devote her life to religion, it was now dispelled.

If his scholarship and formal musicianship were not all they might have been, Mercer demonstrated at an early age that he was gifted with a remarkable ear for rhythm and dialect.

If she were not at home, Mama would see to it that a fresh white rose was there.

If, as Reid says, `` nearly all his poetry was produced when he was not taking opium '', there may be some reason to doubt that he was under its influence in the period from 1896 to 1900 when he was writing the poems to Katie King and making plans for another book of verse.

If Robinson was a liar and a slanderer, he was also a very canny gentleman, for nothing that Pike could do would pry so much as a single word out of him.

If his circumspection in regard to Philip's sensibilities went so far that he even refused to grant a dispensation for the marriage of Amadee's daughter, Agnes, to the son of the dauphin of Vienne -- a truly peacemaking move according to thirteenth-century ideas, for Savoy and Dauphine were as usual fighting on opposite sides -- for fear that he might seem to be favoring the anti-French coalition, he would certainly never take the far more drastic step of ordering the return of Gascony to Edward, even though, as he admitted to the English ambassadors, he had been advised that the original cession was invalid.

If the historian was convinced of his own correctness, then he should not allow his vision to become fogged by disturbing facts.

If their schedules were to synchronize, there was no point in wasting time.

If he had any worries, it was only the small ones, about Mother in New York, and his daughter Edwina and what she might be doing at this hour, with her Aunt Asia, in Philadelphia.

If a king held sway over a large kingdom, such as when the Mercians dominated the East Anglians, the relationship would have been more equal than in the case the Mercian dominance of the Hwicce, which was a comparatively small kingdom.

If your side has two aces and a void, then you are not at risk of losing the first two tricks, so long as ( a ) your void is useful ( i. e., does not duplicate the function of an ace that your side holds ) and ( b ) you are not vulnerable to the loss of the first two tricks in the fourth suit ( because, for instance, one of the partnership hands holds a singleton in that suit or the protected king, giving your side second round control ).

If the player to move has no legal moves, the game is over ; it is either a checkmate — if the king is under attack — or a stalemate — if the king is not.

If the compromise was a rebuke to the most radical vision of the liberty of the Church, on at least one point its implication was firm and unmistakable: The king, even an emperor, was a layman.

If he had been in exile, Constantine may have returned to Pictland where his cousin Donald II became king.

If such an extraordinary event had actually taken place ... could the king have withstood the attitude of the native nobles, who would hardly have looked upon such an occurrence without offering armed resistance to their feeble and capricious sovereign?

If the king had joined, its resolutions would have received the sanction of the law ; but he refused, and approached the newly formed Roman Catholic League of lords, whose members pledged themselves to support the king, the Catholic Church, and the Council.

If the clergy misuses ecclesiastical property, it must be taken away ; if the king does not do this, he is remiss.

If one of the clergy neglects his office, he is a traitor to the king who calls him to answer for it.

If the clergy relies on papal pronouncements, it must be subjected to obedience to the king.

* If the pope finds that the king who has been elected by the princes is unworthy of the imperial dignity, the princes must elect a new king or, if they refuse, the pope will confer the imperial dignity upon another king ; for the Church stands in need of a patron and defender.

If found worthy of the kingship, the augur announced that the gods had given favorable tokens, thus confirming the king ’ s priestly character.

If one were attacked, the king would come to his aid.

If the votes pass, the king keeps the government and king how it is, if they don't, then everything changes.

If the nations were tools of Yahweh, then the new king who would come to redeem Israel might not be a Judean as taught in older literature ( e. g. Psalm 2 ).

If the defendant could not produce a royal licence to prove the grant of the liberty, then it was the crown's opinionbased on the writings of the influential thirteenth-century legal scholar Bractonthat the liberty should revert to the king.

If a player's king is threatened with capture, it is said to be in check, and the player must remove the threat of capture on the next move.

If this cannot be done, the king is said to be in checkmate.

If a player's move places the opponent's king under attack, that king is said to be in check, and the player in check is required to immediately remedy the situation.