However, in combat with hacking-type swords, like broadswords, such an extremely hard edge is not always desirable, as blocking and parrying is often done with the edge.

However, expressing these properties as axioms requires use of second-order logic.

However, to go further requires new capacities that combine the clarity of intellectual thought with the imagination, and beyond this with consciously achieved inspiration and intuitive insights.

However travel through very remote areas, on isolated tracks, requires planning and a suitable, reliable vehicle ( usually a four-wheel drive ).

However the IRS now requires barter exchanges to be reported as per the Tax Equity and Fiscal Responsibility Act of 1982.

However the Bill of Rights of 1689 requires Parliamentary consent for the Crown to maintain a standing army in peacetime.

However, the discrete and separate nature of the molecular concept usually requires that molecular ions be present only in well-separated form, such as a directed beam in a vacuum in a mass spectrograph.

However, its practical limitations — it requires the sun to shine and does not work at all during the night — encouraged the use of other techniques for measuring time.

However, firing a pistol effectively at any significant range requires good training, since the absence of a buttstock makes precise ranged aim difficult.

However, this tends to be complicated by the fact that this requires finding the roots of a high degree polynomial, and there can be multiple roots that represent local maxima.

However, U. S. law permits " blended " whisky to contain up to 80 % un-aged grain neutral spirits ( with an age statement on the label that refers only to the " straight " part of the blend ), while Canadian law requires that all of the spirits in a Canadian whisky be aged for at least three years.

However a high index of suspicion is appropriate, since diarrhea and bloating are also symptoms of typhlitis, a very serious and potentially life-threatening medical emergency which requires immediate treatment.

However, attempts made in closed-door sessions at the Fourth Plenary Session of the 17th Communist Party of China's Central Committee in September 2009 to grapple with these problems produced inconclusive results, although a directive which requires disclosure of investments and property holdings by party and governmental officials was passed.

However, existing law requires judicial approval of all class action settlements, and in most cases class members are given a chance to opt out of class settlement, though class members, despite opt-out notices, may be unaware of their right to opt out because they did not receive the notice, did not read it, or did not understand it.

However, often, the required output signal is another analog output signal, which requires a digital-to-analog converter ( DAC ).

However this behaviour is application-specific, and requires that the application maintains a catalog of known URNs to resolve them into the notations that have been parsed in a standard SGML or XML parser.

However, DSN tracking requires many skilled operators, and the DSN is overburdened by its use as a communications network.

However, technology transfer requires knowledgeable managers and engineers who are able to operate new machines or production practices borrowed from the leader in order to close the gap through imitation.

However, electrolysis requires an external source of electrical energy to induce a chemical reaction, and this process takes place in a compartment called an electrolytic cell.

However, the church asserts that Apostolic Succession also requires Apostolic Faith, and bishops without Apostolic Faith, who are in heresy, forfeit their claim to Apostolic Succession.

However, technology maturity requires a further understanding of the technology itself.

However, if the decomposition into given above is possible, then requires storing 4 values, requires storing values, and again requires storing just 4 values.

However, due to lack of intermediate elements, this process requires three helium nuclei striking each other nearly simultaneously ( see triple alpha process ).

However, the inquest should set out as many of the facts as the public interest requires.

However, it is important to understand the precise technical definition of these terms.

However, the term dot matrix printer is specifically used for impact printers that use a matrix of small pins to create precise dots.

However, the two treaties conflict in their delimitation of the precise borders.

However the assumptions used in the appraisal ( especially the equity discount rate and the projection of the cash flows to be achieved ) are likely to be at least as important as the precise model used.

However, new technologies are making genetic modifications easier and more precise.

However, Kepler later rejected this formula, because it was not precise enough.

However, the precise wording was still left open.

However, no precise measurement of the costs of regulation balanced against the harms associated with money laundering, and, given the evaluation problems involved in assessing such an issue, it is unlikely the effectiveness of terror finance and money laundering laws could be determined with any degree of accuracy.

However, as with natural selection above, the precise meaning of the term is much more subtle.

However, determining the precise beginning and ending to any " period " is often a matter of debate.

However, the precise wording was still left open.

However, movement is usually quite precise ; dorsal and anal fins aid in manoeuvring and stabilizing.

However, authorship, precise date of origin, and even unity of the text are still subject of debate, and will probably never be known with certainty.

However, his great rival Thucydides promptly discarded Herodotus's all-embracing approach to history, offering instead a more precise, sharply focused monograph, dealing not with vast empires over the centuries but with 27 years of war between Athens and Sparta.

However, Babylonian techniques of observational measurements were in a rudimentary stage of evolution and it was probably beyond their capacity to define in a precise way the boundary lines between the zodiacal signs in the sky.

However, because Universal Time is synchronous with night and day, and more precise atomic-frequency standards drift away from this, UT is still used to produce a correction ( called a leap second ) to atomic time, in order to obtain a broadcast form of civil time that carries atomic frequency.

However, Beg later measured another more precise value as 365 < sup > d </ sup > 5 < sup > h </ sup > 49 < sup > m </ sup > 15 < sup > s </ sup >, which has an error of + 25 seconds, making it more accurate than Copernicus ' estimate which had an error of + 30 seconds.

However, the precise timing of the " take-over " is unclear, and different authors have conflicting interpretations of the fossil record.

However, a very small fraction are stable particles of antimatter, such as positrons or antiprotons, and the precise nature of this remaining fraction is an area of active research.

However, precise long-term observations show that the constellations change shape, albeit very slowly, and that each star has an independent motion.

However the precise full styles can differ in the court traditions of each shah's kingdom.

However, as different printed editions of the Samaritan Pentateuch are based upon different sets of manuscripts, the precise number varies significantly from one edition to another.

However, all such techniques rely on accurate reporting of failure rates, and precise identification, of the failure modes involved.

However, the extent of the finds was not particularly significant and was insufficient to draw any certain conclusions about the precise nature or scale of this earliest known phase of occupation.