number of times specific value in each column R

Question

I have:

library(tidyverse)
df <- tibble(one=c(1,1,1,2,2,2,3,3),
       log1 = c(TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE),
       log2 = c(TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE),
       log3 = c(TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE))

I want to find number of times the word "FALSE" appears in each column and group and return a df

I have tried map_df(df, function(x) sum(x==FALSE)) and

df %>%
  group_by(one) %>%
  map_df( function(x) sum(x==FALSE))

but they do not break into separate groups.

this also errors out

df %>%
  group_by(one) %>%
  summarise( function(x) sum(x==FALSE))

Any suggestions?