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Mathematical Logic is a branch of mathematics that deals with reasoning and the principles used to determine whether statements are true or false. It provides a systematic method to analyze arguments and solve problems using logical thinking. In mathematical logic, statements are expressed in the form of propositions. A proposition is a sentence that is either true or false, but not both. For example, “2 + 2 = 4” is a true proposition, while “5 is an even number” is a false proposition....

Reproduction in plants ensures the continuation of plant species. While lower plants reproduce mainly through spores and simple methods, higher plants reproduce through flowers, pollination, fertilization, and seed formation. Both types of reproduction help plants adapt to different environments and maintain biodiversity in nature.