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The AuthDigestNonceLifetime directive controls how long the server nonce is valid . If the House of Commons deliberately excludes the intervention of any law Court in matters which the House may deem ( with very dubious truth ) to concern the House alone , we can scarcely wonder that artisans should have no love for judicial decisions . That is , suppose that the system 's clock is screwed up and it revisits a past time ( or it is too far forward , is reset correctly , and then revisits the future time ) . Third Objection Proportional representation , just because it aims at the representation of opinions rather than of persons , tends to promote the existence in the House of Commons of numerous party groups and also fosters the admitted evil of log-rolling . It is certain that no man , who is really satisfied with the working of our party system , will ever look with favour on an institution which aims at correcting the vices of party government .