It is not as hard and rigid as bone but is stiffer and less flexible than muscle.

The competition is stiff.

Your mother is not strict, is she?

I also believe education doesn't have to be formal or stiff, but can be engaging, empowering and enjoyable so it wasn't a hard decision for me to accept when Raising the Bar asked me.

You mix them together and they make a rigid double helix.

Your mother is not strict, is she?

The caudal fin is strongly divided and rigid, with a slender, ridged base.

Mo Yan has been forced to live in a highly repressive and rigid political society.

A nation does not have to be cruel to be tough.

Sumo wrestling is a strict hierarchy based on sporting merit.

Formal logic is the study of inference with purely formal content.

The wood for the fretboard usually differs from the wood in the rest of the neck.

Its last manifestation was in Beaux Arts architecture (1885 1920), and its very last, large public projects in the United States were the Lincoln Memorial (1922), the National Gallery in Washington, D.C. (1937), and the American Museum of Natural History's Roosevelt Memorial (1936).

In the second place, the influence of Comenius was in formulating the general theory of education.

I cannot complain to the teacher. She's very hard.

He was educated by the Jesuits and later attended the University of Ingolstadt.

Mechanically, the lithosphere is cooler and more rigid, while the asthenosphere is hotter and flows more easily.

Formal theories, systems and proofs In mathematical logic, a formal theory is a set of sentences expressed in a formal language.

Male dogs are very serious about a hierarchy, because it prevents physical fights.

A formal proof is a complete rendition of a mathematical proof within a formal system.

And I can hold my arm in a particular joint configuration either very stiff or very relaxed.

I'll need to make a formal report.

As a result the Second Chamber became the most important.

In popular and folk music, the composer is usually called a songwriter, since the music generally takes the form of a song.

This agreement can be incorporated into a formal contract.

It turns out that freedom actually has a formal structure.

The cell wall is a very tough, flexible and sometimes fairly rigid layer that surrounds some types of cells.

Conversely, formal arguments are studied in formal logic (historically called symbolic logic , more commonly referred to as mathematical logic today) and are expressed in a formal language.

I utterly despise formal writing!

You don't have to be so formal.

Administrative divisions Rwanda has been governed by a strict hierarchy since precolonial times.

Modern formal logic follows and expands on Aristotle.

These sub regions are more conceptual than culturally meaningful, and the demarcation of their limits is not rigid.

Life as a wrestler is highly regimented, with rules laid down by the Japan Sumo Association.

Formal Logic or The Calculus of Inference .

It is not rigid, since rank is based on varied factors, including occupation, wealth, Islamic virtue, and family ties.

For Callisto, the outer conductive layer corresponds to the cold and rigid lithosphere with a thickness of about 100 km.

Many units, lacking both officers and rifles, had never undergone formal training.

In Malaysia, the national language is Malaysian in Indonesia, it is Indonesian.

Other universities offering open education are Stanford, Princeton, Duke, Johns Hopkins, Edinburgh, U. Penn, U. Michigan, U. Virginia, U. Washington, and Caltech.

You can't not know who you are, so you cling to hard matter identity.

They had a stiff tail, like the theropods, to help them balance as they ran on their hind legs.

Rapid economic growth fueled by foreign credits gradually gave way to wrenching austerity and severe political repression, which became increasingly draconian through the 1980s.

The economy is mostly formal, consisting primarily of limited partnerships and sole proprietorships.

No formal education, but very knowledgeable.