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Mirrors > Home > HOLE Home > Th. List > wfal | Unicode version |
Description: Contradiction type. |
Ref | Expression |
---|---|
wfal |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wal 124 | . . 3 | |
2 | wv 58 | . . . 4 | |
3 | 2 | wl 59 | . . 3 |
4 | 1, 3 | wc 45 | . 2 |
5 | df-fal 117 | . 2 | |
6 | 4, 5 | eqtypri 71 | 1 |
Colors of variables: type var term |
Syntax hints: tv 1 ht 2 hb 3 kc 5 kl 6 kt 8 wffMMJ2t 12 tfal 108 tal 112 |
This theorem was proved from axioms: ax-cb1 29 ax-refl 39 |
This theorem depends on definitions: df-al 116 df-fal 117 |
This theorem is referenced by: wnot 128 notval 135 pm2.21 143 notval2 149 notnot1 150 con2d 151 alnex 174 exmid 186 notnot 187 ax3 192 |
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