קשרים לוגיים בניסוח מחדש

(1) Most neuroscientists disagree with Freud's ideas about the psyche, but they have failed to provide a better explanation of their own.

(2) Though neuroscientists have so far failed to disprove Freudian theories of psychology, they persist in their attempts to do so.

(3) Freud's theories of the mind are still accepted only because science has not been able to offer a more convincing alternative, according to some well-known neuroscientists.

(4) Some prominent neuroscientists continue to believe in Freudian theories because they do not think there is any conflict between Freud's explanations of the psyche and their own.

(1) After 200 years, the continually evolving attitudes and behavior of the American people are beginning to influence the way the United States Constitution is interpreted.

(2) The people of the United States are constantly studying their 200-year-old Constitution in order to interpret the effect it has had on changing attitudes and behavior.

(3) Since the way the American Constitution is understood is constantly being changed in accordance with evolving attitudes and behavior, it still has relevance even after 200 years.

(4) The American Constitution, which is two hundred years old, will only continue to have relevance if the people of the United States constantly reinterpret their behavior and attitudes.

(1) The factory chose to reduce production last quarter while it searched for more raw materials.

(2) A lack of raw materials caused the factory to cut back on its production in the previous quarter.

(3) The factory's production shortage in the last quarter resulted in a reduction of raw materials.

(4) Last quarter, the factory reduced its raw material usage in order to lower production costs.

(1) People generally show interest in the winners of book prizes when they are announced, even if the awards are not substantial and the recipients are not admired.

(2) Inevitably, those who have been announced as the winners of book prizes look forward to receiving them, especially if the awards are considered prestigious by most people.

(3) The derision which accompanies the announcement of the winners of book prizes is a result of the fact that many awards and recipients are not held in high esteem.

(4) There are always some scornful reactions to the announcement of the winners of book prizes, no matter how highly the awards and those who receive them are regarded.

(1) While acid rain is known to be a twentieth-century phenomenon, polluted rainfall was observed even in the nineteenth century.

(2) The term "acid rain" was coined in the nineteenth century, but it was not used to refer to polluted rainfall until the twentieth century.

(3) While acid rain is mistakenly thought to be a twentieth-century phenomenon, it was actually common even in the nineteenth century.

(4) The term "acid rain" was first used in the nineteenth century to describe polluted rain; the problem did not begin in the twentieth century, as many people believe.

(1) Daniel studied for weeks because he knew the exam would be difficult.

(2) Despite weeks of preparation, Daniel was caught off guard by how hard the exam was.

(3) Daniel's weeks of studying paid off when he found the exam easy.

(4) The difficulty of the exam forced Daniel to study for several weeks.

(1) The traditional metal weapons of northern Peru proved inadequate against the technologically advanced ones of Pizarro, who invaded Peru in 1532.

(2) After Pizarro invaded Peru in 1532, he discovered that much of European technology was based on old metal-making methods native to northern Peru.

(3) In 1532, using technologically superior European weapons, Pizarro invaded Peru and stole traditional metal objects from the northern part of the country.

(4) Northern Peru's native metal-making methods were quickly replaced by European technology following Pizarro's invasion of Peru in 1532.

(1) Before he travelled to the New World for the first time, Columbus thought that Cathay was much closer to Europe than it actually was.

(2) It was only after travelling to Cathay from Europe that Columbus realized how great the distance between them was.

(3) Before he travelled the great distance from Europe to Cathay in the New World, Columbus had little idea of what to expect during the voyage.

(4) It took Columbus less time to travel from Europe to Cathay than he had estimated it would take before his voyage began.

(1) The patient regained consciousness shortly after the ambulance arrived at the scene.

(2) When the ambulance came, the patient had not yet come back to consciousness.

(3) The patient had already woken up before the ambulance got there.

(4) The ambulance arrived in time to help the patient regain consciousness.