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Mirrors > Home > HOLE Home > Th. List > df-fal | Unicode version |
Description: Define the constant false. (Contributed by Mario Carneiro, 8-Oct-2014.) |
Ref | Expression |
---|---|
df-fal |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | kt 8 |
. 2
term ![]() | |
2 | tfal 118 |
. . 3
term ![]() | |
3 | tal 122 |
. . . 4
term ![]() | |
4 | hb 3 |
. . . . 5
type ![]() | |
5 | vp |
. . . . 5
var ![]() | |
6 | 4, 5 | tv 1 |
. . . . 5
term ![]() ![]() ![]() |
7 | 4, 5, 6 | kl 6 |
. . . 4
term ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
8 | 3, 7 | kc 5 |
. . 3
term ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
9 | ke 7 |
. . 3
term ![]() | |
10 | 2, 8, 9 | kbr 9 |
. 2
term ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
11 | 1, 10 | wffMMJ2 11 |
1
wff ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Colors of variables: type var term |
This definition is referenced by: wfal 135 pm2.21 153 |
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