...often made. CHAPTER 2. OF THEORIES AND HYPOTHESES. Both theories and hypotheses are suppositions — a theory means a supposition which we hope to be true,...hypothesis is a supposition which we expect to be useful. Theories accordingly are either correct or incorrect, true or false, quite irrespectively of whether...

...investigator has a choice of five kinds; they have been classified by Dr. Johnstone Stoney. ' A theory is a supposition which we hope to be true, a hypothesis...to be useful ; fictions belong to the realm of art ; if made to intrude elsewhere, they become either makebelieves or mistakes.' Now the ' man in the...

...illustrated in Fig. 1. The air 1 OJ Stoney expressed the idea neatly : " A theory is a supposition wo hope to be true ; a hypothesis is a supposition which we expect to be useful." in the retort was in communication with the air in the bell-jar. The level of the mercury in the bell-jar...

...investigator has a choice of five kinds; they have been classified by Dr. Johnstone Stoney. " A theory is a supposition which we hope to be true, a hypothesis...to be useful; fictions belong to the realm of art; if made to intrude elsewhere, they become either make-believes or mistakes." Now the " man in the street,"...

...often made. CHAPTER 2. OF THEORIES AND HYPOTHESES. Both theories and hypotheses are suppositions — a theory means a supposition which we hope to be true,...hypothesis is a supposition which we expect to be useful. Theories accordingly are either correct or incorrect, true or false, quite irrespectively of whether...