Let us be happy without …………………… nature.

Human existence is totally impossible without existence of nature.

Choose the appropriate preposition for the given sentence : The students were happy when the school agreed to sanction the use of calculators…..match classes.

Let p : ‘He is rich’ and q : ‘He is happy’ be the given statements. Write the following statement in the symbolic form, using p and q. It is necessary to be happy in order to be poor.

Let p : 'He is rich' and q : 'He is happy' be the given statements. Write each of the following statements in the symbolic form, using p and q. It is necessary to be happy in order to be poor.