若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex]，证明（象函数的微分性质）[tex=16.214x1.571]iW8wv+vl9rfHAYkAhboLiCEyUXldAacdqZ7yUoQGPOTUTrR5IKZ86V6W2DwPld+UmrD4Rpe8gdRSnPG8m4YbJ7nbREbvMTkXdFQnqebTjlo=[/tex]特别，[tex=18.0x2.0]z5mX/X5Z8WT6Wr1RJ7fLLdWxG5Mx4NuGOwQhmg7OPiwBX8POeO+k9Ri33+4xgeoBZDz7vYFgaR0OVKi+wquCZdH+HB2NpzXvgx+veTuoYQ7zXI9CBHIQKstlRJ43RJ1J[/tex]并利用此结论，计算下列各式：[tex=13.143x2.429]l9aeQKV9IUy5ykOQ6rDCnEkdu+JmzBGozYWQfHeInlf50dcsJrgccNDrsVdcolInnqK62v94jy6UvG/ae1CNGA==[/tex]
若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex]，证明（象函数的微分性质）[tex=16.214x1.571]iW8wv+vl9rfHAYkAhboLiCEyUXldAacdqZ7yUoQGPOTUTrR5IKZ86V6W2DwPld+UmrD4Rpe8gdRSnPG8m4YbJ7nbREbvMTkXdFQnqebTjlo=[/tex]特别，[tex=18.0x2.0]z5mX/X5Z8WT6Wr1RJ7fLLdWxG5Mx4NuGOwQhmg7OPiwBX8POeO+k9Ri33+4xgeoBZDz7vYFgaR0OVKi+wquCZdH+HB2NpzXvgx+veTuoYQ7zXI9CBHIQKstlRJ43RJ1J[/tex]并利用此结论，计算下列各式：[tex=13.143x2.429]l9aeQKV9IUy5ykOQ6rDCnEkdu+JmzBGozYWQfHeInlf50dcsJrgccNDrsVdcolInnqK62v94jy6UvG/ae1CNGA==[/tex]
若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex]，证明（象函数的微分性质）[tex=16.214x1.571]iW8wv+vl9rfHAYkAhboLiCEyUXldAacdqZ7yUoQGPOTUTrR5IKZ86V6W2DwPld+UmrD4Rpe8gdRSnPG8m4YbJ7nbREbvMTkXdFQnqebTjlo=[/tex]特别，[tex=18.0x2.0]z5mX/X5Z8WT6Wr1RJ7fLLdWxG5Mx4NuGOwQhmg7OPiwBX8POeO+k9Ri33+4xgeoBZDz7vYFgaR0OVKi+wquCZdH+HB2NpzXvgx+veTuoYQ7zXI9CBHIQKstlRJ43RJ1J[/tex]并利用此结论，计算下列各式：[tex=10.786x1.286]W5V321QArUzbTs7doWXG8jV00nQplyDwvgSRfG13Ov1QH6ODLipa3w+/s8z3fjdy[/tex]
若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex]，证明（象函数的微分性质）[tex=16.214x1.571]iW8wv+vl9rfHAYkAhboLiCEyUXldAacdqZ7yUoQGPOTUTrR5IKZ86V6W2DwPld+UmrD4Rpe8gdRSnPG8m4YbJ7nbREbvMTkXdFQnqebTjlo=[/tex]特别，[tex=18.0x2.0]z5mX/X5Z8WT6Wr1RJ7fLLdWxG5Mx4NuGOwQhmg7OPiwBX8POeO+k9Ri33+4xgeoBZDz7vYFgaR0OVKi+wquCZdH+HB2NpzXvgx+veTuoYQ7zXI9CBHIQKstlRJ43RJ1J[/tex]并利用此结论，计算下列各式：[tex=10.786x1.286]W5V321QArUzbTs7doWXG8jV00nQplyDwvgSRfG13Ov1QH6ODLipa3w+/s8z3fjdy[/tex]
若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex]，证明（象函数的微分性质）[tex=16.214x1.571]iW8wv+vl9rfHAYkAhboLiCEyUXldAacdqZ7yUoQGPOTUTrR5IKZ86V6W2DwPld+UmrD4Rpe8gdRSnPG8m4YbJ7nbREbvMTkXdFQnqebTjlo=[/tex]特别，[tex=18.0x2.0]z5mX/X5Z8WT6Wr1RJ7fLLdWxG5Mx4NuGOwQhmg7OPiwBX8POeO+k9Ri33+4xgeoBZDz7vYFgaR0OVKi+wquCZdH+HB2NpzXvgx+veTuoYQ7zXI9CBHIQKstlRJ43RJ1J[/tex]并利用此结论，计算下列各式：[tex=13.143x2.429]l9aeQKV9IUy5ykOQ6rDCnEkdu+JmzBGozYWQfHeInlf50dcsJrgccNDrsVdcolInnqK62v94jy6UvG/ae1CNGA==[/tex]
若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex]，证明（象函数的微分性质）[tex=16.214x1.571]iW8wv+vl9rfHAYkAhboLiCEyUXldAacdqZ7yUoQGPOTUTrR5IKZ86V6W2DwPld+UmrD4Rpe8gdRSnPG8m4YbJ7nbREbvMTkXdFQnqebTjlo=[/tex]特别，[tex=18.0x2.0]z5mX/X5Z8WT6Wr1RJ7fLLdWxG5Mx4NuGOwQhmg7OPiwBX8POeO+k9Ri33+4xgeoBZDz7vYFgaR0OVKi+wquCZdH+HB2NpzXvgx+veTuoYQ7zXI9CBHIQKstlRJ43RJ1J[/tex]并利用此结论，计算下列各式：[tex=13.143x2.429]l9aeQKV9IUy5ykOQ6rDCnEkdu+JmzBGozYWQfHeInlf50dcsJrgccNDrsVdcolInnqK62v94jy6UvG/ae1CNGA==[/tex]
若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex]，证明（象函数的微分性质）[tex=16.214x1.571]iW8wv+vl9rfHAYkAhboLiCEyUXldAacdqZ7yUoQGPOTUTrR5IKZ86V6W2DwPld+UmrD4Rpe8gdRSnPG8m4YbJ7nbREbvMTkXdFQnqebTjlo=[/tex]特别，[tex=18.0x2.0]z5mX/X5Z8WT6Wr1RJ7fLLdWxG5Mx4NuGOwQhmg7OPiwBX8POeO+k9Ri33+4xgeoBZDz7vYFgaR0OVKi+wquCZdH+HB2NpzXvgx+veTuoYQ7zXI9CBHIQKstlRJ43RJ1J[/tex]并利用此结论，计算下列各式：[tex=13.286x2.429]gq9n4ka4dxW3hGWtS+EADjgPw1imFqxJ+Y7wZ1rddhv7xzNuAPZxfqUkxDonqsggU88lNi/yTEDWkgExkN/j8A==[/tex]
若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex]，证明（象函数的微分性质）[tex=16.214x1.571]iW8wv+vl9rfHAYkAhboLiCEyUXldAacdqZ7yUoQGPOTUTrR5IKZ86V6W2DwPld+UmrD4Rpe8gdRSnPG8m4YbJ7nbREbvMTkXdFQnqebTjlo=[/tex]特别，[tex=18.0x2.0]z5mX/X5Z8WT6Wr1RJ7fLLdWxG5Mx4NuGOwQhmg7OPiwBX8POeO+k9Ri33+4xgeoBZDz7vYFgaR0OVKi+wquCZdH+HB2NpzXvgx+veTuoYQ7zXI9CBHIQKstlRJ43RJ1J[/tex]并利用此结论，计算下列各式：[tex=13.286x2.429]gq9n4ka4dxW3hGWtS+EADjgPw1imFqxJ+Y7wZ1rddhv7xzNuAPZxfqUkxDonqsggU88lNi/yTEDWkgExkN/j8A==[/tex]
若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex]，证明（象函数的微分性质）[tex=16.214x1.571]iW8wv+vl9rfHAYkAhboLiCEyUXldAacdqZ7yUoQGPOTUTrR5IKZ86V6W2DwPld+UmrD4Rpe8gdRSnPG8m4YbJ7nbREbvMTkXdFQnqebTjlo=[/tex]特别，[tex=18.0x2.0]z5mX/X5Z8WT6Wr1RJ7fLLdWxG5Mx4NuGOwQhmg7OPiwBX8POeO+k9Ri33+4xgeoBZDz7vYFgaR0OVKi+wquCZdH+HB2NpzXvgx+veTuoYQ7zXI9CBHIQKstlRJ43RJ1J[/tex]并利用此结论，计算下列各式：[tex=13.286x2.429]gq9n4ka4dxW3hGWtS+EADjgPw1imFqxJ+Y7wZ1rddhv7xzNuAPZxfqUkxDonqsggU88lNi/yTEDWkgExkN/j8A==[/tex]
若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex]，证明（象函数的微分性质）[tex=16.214x1.571]iW8wv+vl9rfHAYkAhboLiCEyUXldAacdqZ7yUoQGPOTUTrR5IKZ86V6W2DwPld+UmrD4Rpe8gdRSnPG8m4YbJ7nbREbvMTkXdFQnqebTjlo=[/tex]特别，[tex=18.0x2.0]z5mX/X5Z8WT6Wr1RJ7fLLdWxG5Mx4NuGOwQhmg7OPiwBX8POeO+k9Ri33+4xgeoBZDz7vYFgaR0OVKi+wquCZdH+HB2NpzXvgx+veTuoYQ7zXI9CBHIQKstlRJ43RJ1J[/tex]并利用此结论，计算下列各式：[tex=13.286x2.429]gq9n4ka4dxW3hGWtS+EADjgPw1imFqxJ+Y7wZ1rddhv7xzNuAPZxfqUkxDonqsggU88lNi/yTEDWkgExkN/j8A==[/tex]
下列变量组（）是一个闭回路。 A: {x，x，x，x，x，x} B: {x，x，x，x，x} C: {x，x，x，x，x，x} D: {x，x，x，x，x，x}
下列变量组（）是一个闭回路。 A: {x，x，x，x，x，x} B: {x，x，x，x，x} C: {x，x，x，x，x，x} D: {x，x，x，x，x，x}
以下谓词蕴含式正确的是（）: (∀x) (A(x)→B(x))=>( ∀x)A(x)→(∀x)B(x)|(∀x) (A(x)↔B(x))=>( ∀x)A(x)↔(∀x)B(x)|(∀x)A(x)∨(∀x)B(x)=>( ∀x) (A(x)∨B(x))|(∃x) (A(x)∧B(x))=>(∃x)A(x)∧(∃x)B(x)
以下谓词蕴含式正确的是（）: (∀x) (A(x)→B(x))=>( ∀x)A(x)→(∀x)B(x)|(∀x) (A(x)↔B(x))=>( ∀x)A(x)↔(∀x)B(x)|(∀x)A(x)∨(∀x)B(x)=>( ∀x) (A(x)∨B(x))|(∃x) (A(x)∧B(x))=>(∃x)A(x)∧(∃x)B(x)
以下谓词蕴含式正确的是（）: (?x) (A(x)→B(x))=>( ?x)A(x)→(?x)B(x)|(?x) (A(x)?B(x))=>( ?x)A(x)?(?x)B(x)|(?x)A(x)∨(?x)B(x)=>( ?x) (A(x)∨B(x))|(?x) (A(x)∧B(x))=>(?x)A(x)∧(?x)B(x)
以下谓词蕴含式正确的是（）: (?x) (A(x)→B(x))=>( ?x)A(x)→(?x)B(x)|(?x) (A(x)?B(x))=>( ?x)A(x)?(?x)B(x)|(?x)A(x)∨(?x)B(x)=>( ?x) (A(x)∨B(x))|(?x) (A(x)∧B(x))=>(?x)A(x)∧(?x)B(x)
下列式中错误的是： A: (∀x)(A(x)Úp(x)) Û (∀x)A(x)Ú (∀x)p(x) B: ($x)A(x) Ù p Û ($x)(A(x) Ù p ) C: (∀x)(A(x)ÚB(x)) Þ (∀x)A(x)Ú( ∀x)B(x) D: ($x)(A(x)ÙB(x)) Þ ($x)A(x)Ù( $x)B(x)
下列式中错误的是： A: (∀x)(A(x)Úp(x)) Û (∀x)A(x)Ú (∀x)p(x) B: ($x)A(x) Ù p Û ($x)(A(x) Ù p ) C: (∀x)(A(x)ÚB(x)) Þ (∀x)A(x)Ú( ∀x)B(x) D: ($x)(A(x)ÙB(x)) Þ ($x)A(x)Ù( $x)B(x)
判断下列推证是否正确。 (∀x)(A(x)→B(x))⇔(∀x)(￢A(x)∨B(x)) ⇔(∀x)￢( A(x)∧￢B(x) ) ⇔￢(∃x) ( A(x)∧￢B(x) ) ⇔￢( (∃x)A(x)∧(∃x)￢B(x) ) ⇔￢(∃x)A(x)∨￢(∃x)￢B(x) ⇔￢(∃x)A(x)∨(∀x)B(x) ⇔(∃x)A(x)→(∀x)B(x)
判断下列推证是否正确。 (∀x)(A(x)→B(x))⇔(∀x)(￢A(x)∨B(x)) ⇔(∀x)￢( A(x)∧￢B(x) ) ⇔￢(∃x) ( A(x)∧￢B(x) ) ⇔￢( (∃x)A(x)∧(∃x)￢B(x) ) ⇔￢(∃x)A(x)∨￢(∃x)￢B(x) ⇔￢(∃x)A(x)∨(∀x)B(x) ⇔(∃x)A(x)→(∀x)B(x)