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“q或r”假 “q或r”真 “q或r”假 “q且r”真
(p∨q)∧p├﹁q (pqr)∧﹁p├q∧r (pqr)∧﹁p├qr (p∨q∨r)∧﹁p├q∨r (p∨q∨r∨s)∧(﹁p∧﹁q)├r∨s
支判断P、Q、R为不相容关系 支判断P、Q、R为相容关系 支判断P、Q、R为交叉关系 支判断P、Q、R为属种关系
q->next=r->next; p->next=r,r->next=q; p->next=r,q->next=r->next;r->next=q; q->next=r->next;r->next=q;p->next=r, r->next=q;P->next=r;q->next=r->next;
r(P)<r(Q). r(P)>r(Q). r(P)=r(Q). r(P),r(Q)无法比较.
r->next=q; q->next=r->next; p->next=r; q->next=r->next; p->next=r; r->next=q; p->next=r; q->next=r->next; r->next=q; q->next=r->next; r->next=q; p->next=r;
∠P=∠Q=∠R ∠Q=∠R ∠P=∠Q ∠P=∠R.
q->next=r->next;r->next=q;p->next=r; q->next=r->next;p->next=r;r->next=q; p->next=r;q->next=r->next;r->next=q; r->next=q;q->next=r->next;p->next=r;
┐P∨(Q∧┐R)∨(P∧R) (P∨┐Q)∧(Q∨R)∧┐R (P∨Q)∧┐(Q∨┐R) (P→Q)∨(P∧R)
P>R>S>Q Q>S>P>R S>P>Q>R S>P>R>Q
r->next=q; q->next=r->next; p->next=r; q->next=r->next; p->next=r; r->next=q; p->next=r; q->next=r->next; r->next=q; q->next=r->next; r->next=q; p->next=r;
r(P)<r(Q). r(P)>r(Q). r(P)=r(Q). r(P),r(Q)无法比较.
r->next=q; q->next=r->next; p->next=r; q->next=r->next; p->next=r; r->next=q; p->next=r; q->next=r->next; r->next=q; q->next=r->next; r->next=q; p->next=r;
q->next=r->next;p->next=r;r->next=q; p->next=r;q->next=r->next;r->next=q; q->next=r->next;r->next=q;p->next=r; r->next=q;p->next=r;q->next=r->next;