| 41. | In increment operator and two minus signs a decrement.
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| 42. | The minus sign is there as the derivative has to pass through the first Grassmann variable.
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| 43. | If the value is negative then the minus sign is the leftmost digit of this row.
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| 44. | We did not learn arithmetic by directly using symbols of numbers or plus and minus signs.
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| 45. | They rang down the curtain on Belmont's spring and summer season Wednesday with more minus signs.
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| 46. | Where the plus sign indicates right circular polarization and the minus sign indicates left circular polarization.
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| 47. | Plus and minus signs mean nothing to him.
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| 48. | It effectively says that a minus sign is picked up whenever two odd elements are interchanged.
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| 49. | Where the plus sign indicates left circular polarization and the minus sign indicates right circular polarization.
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| 50. | Introduction of a minus sign can indicate that an increment of frequency corresponds with decrement of wavelength.
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