diff --git a/数理逻辑与近世代数/数理逻辑-2020春-威海.pdf b/数理逻辑与近世代数/数理逻辑-2020春-威海.pdf new file mode 100644 index 0000000..999c822 Binary files /dev/null and b/数理逻辑与近世代数/数理逻辑-2020春-威海.pdf differ