Combinatoric Structures

CAS CS 131

  • Critical Thinking
  • Quantitative Reasoning II

Fundamentals of logic (the laws of logic, rules of inference, quantifiers, proofs and inductive reasoning), fundamental principles of counting (permutations, combinations), set theory, relations and functions, principles for manipulating basic combinatoric structures. Effective Fall 2018, this course fulfills a single unit in the following BU Hub area: Quantitative Reasoning II. Effective Fall 2019, this course fulfills a single unit in each of the following BU Hub areas: Quantitative Reasoning II, Critical Thinking.

FALL 2025 Schedule

Section Instructor Location Schedule Notes
A1 Reyzin COM 101 TR 11:00 am-12:15 pm Students registering for CAS CS131 must register for two sections: a LEC section and a LAB section. IMPORTANT: Students in all CS131 sections should reserve Thursday 6:30 - 7:45pm for exams during the semester.

FALL 2025 Schedule

Section Instructor Location Schedule Notes
A2 Reyzin COM 101 TR 12:30 pm-1:45 pm Students registering for CAS CS131 must register for two sections: a LEC section and a LAB section. IMPORTANT: Students in all CS131 sections should reserve Thursday 6:30 - 7:45pm for exams during the semester.

FALL 2025 Schedule

Section Instructor Location Schedule Notes
B1 Narayanan CAS 225 W 9:05 am-9:55 am

FALL 2025 Schedule

Section Instructor Location Schedule Notes
B2 Narayanan FLR 121 W 10:10 am-11:00 am

FALL 2025 Schedule

Section Instructor Location Schedule Notes
B3 Narayanan SOC B63 W 10:10 am-11:00 am

FALL 2025 Schedule

Section Instructor Location Schedule Notes
B4 Narayanan EPC 206 W 11:15 am-12:05 pm

FALL 2025 Schedule

Section Instructor Location Schedule Notes
B5 Narayanan MCS B29 W 12:20 pm-1:10 pm

FALL 2025 Schedule

Section Instructor Location Schedule Notes
B6 Narayanan CAS 225 W 1:25 pm-2:15 pm

FALL 2025 Schedule

Section Instructor Location Schedule Notes
B7 Narayanan CGS 321 W 2:30 pm-3:20 pm

FALL 2025 Schedule

Section Instructor Location Schedule Notes
B8 Narayanan CGS 321 W 3:35 pm-4:25 pm

SPRG 2026 Schedule

Section Instructor Location Schedule Notes
A1 R 6:30 pm-7:45 pm Experience required.
A1 TR 3:30 pm-4:45 pm Experience required.

SPRG 2026 Schedule

Section Instructor Location Schedule Notes
A3 Narayanan W 10:10 am-11:00 am experience required

SPRG 2026 Schedule

Section Instructor Location Schedule Notes
A4 Narayanan W 12:20 pm-1:10 pm experience required

SPRG 2026 Schedule

Section Instructor Location Schedule Notes
A5 Narayanan W 1:25 pm-2:15 pm experience required

SPRG 2026 Schedule

Section Instructor Location Schedule Notes
A6 Narayanan W 2:30 pm-3:20 pm experience required

SPRG 2026 Schedule

Section Instructor Location Schedule Notes
A7 Narayanan W 3:35 pm-4:25 pm experience required

SPRG 2026 Schedule

Section Instructor Location Schedule Notes
A8 Narayanan W 4:40 pm-5:30 pm experience required

Note that this information may change at any time. Please visit the MyBU Student Portal for the most up-to-date course information.