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Mirrors > Home > HOLE Home > Th. List > a1i | GIF version |
Description: Change an empty context into any context. (Contributed by Mario Carneiro, 7-Oct-2014.) |
Ref | Expression |
---|---|
ax-trud.1 | ⊢ R:∗ |
ax-a1i.2 | ⊢ ⊤⊧A |
Ref | Expression |
---|---|
a1i | ⊢ R⊧A |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-trud.1 | . . 3 ⊢ R:∗ | |
2 | 1 | ax-trud 26 | . 2 ⊢ R⊧⊤ |
3 | ax-a1i.2 | . 2 ⊢ ⊤⊧A | |
4 | 2, 3 | syl 16 | 1 ⊢ R⊧A |
Colors of variables: type var term |
Syntax hints: ∗hb 3 ⊤kt 8 ⊧wffMMJ2 11 wffMMJ2t 12 |
This theorem was proved from axioms: ax-syl 15 ax-trud 26 |
This theorem is referenced by: eqcomx 52 dfov1 74 dfov2 75 eqid 83 eqtru 86 oveq123 98 hbl1 104 a17i 106 hbc 110 hbl 112 clf 115 ovl 117 ax4g 149 ax4 150 alrimiv 151 cla4v 152 pm2.21 153 dfan2 154 mpd 156 ex 158 notnot1 160 con2d 161 ecase 163 olc 164 orc 165 exlimdv2 166 exlimdv 167 ax4e 168 cla4ev 169 19.8a 170 cbvf 179 leqf 181 alrimi 182 exlimd 183 alnex 186 exnal1 187 ac 197 exmid 199 notnot 200 ax3 205 ax10 213 ax11 214 axext 219 axrep 220 axpow 221 |
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