That means that the principal symbol is an isomorphism.

Take its principal symbol with respect to a one-form .

Since its opening in 1894, the Reichstag has been a principal symbol of the German nation.

The rabbit, the principal symbol of the west, was associated with farmers and with pulque.

They have become a principal symbol both of freedom and of a more advanced way of life.

The principal symbol of the Tharawal nation is the lyrebird.

The majestic tree that gives this town its name is one of Chile's principal national symbols.

In Serbia, religion had become the principal symbol of national identity.

The principal symbol of the Monarchy is often deemed to be the Sovereign themselves.