1.   Abstract ideas became focused as he pulled together previous work on neural nets.

2.   Are they planned in terms of transforming abstract ideas or theories into useful learning experiences?

3.   Entrants had to pick one of the four sections and develop their design from the abstract ideas that they found there.

4.   Gorbachev took the abstract idea of reform and made it a reality.

5.   In the Introduction to the Principles, Berkeley spends a considerable time arguing against the doctrine of abstract ideas.

6.   The abstract idea of the Rechtsstaat must not be set above the values which it is designed to defend.

7.   How about this for an abstract idea!

8.   The new maths seems to be much more to do with sets and groups and slightly abstract ideas erm do you think this is a retrograde step?

9.   And she largely succeeds, thanks to a gift for lively metaphor and an insistence on rendering abstract ideas and complex processes in familiar, concrete terms.