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Mirrors > Home > MPE Home > Th. List > Mathboxes > idn2 | Structured version Visualization version GIF version |
Description: Virtual deduction identity rule which is idd 24 with virtual deduction symbols. (Contributed by Alan Sare, 21-Apr-2011.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
idn2 | ⊢ ( 𝜑 , 𝜓 ▶ 𝜓 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | idd 24 | . 2 ⊢ (𝜑 → (𝜓 → 𝜓)) | |
2 | 1 | dfvd2ir 40926 | 1 ⊢ ( 𝜑 , 𝜓 ▶ 𝜓 ) |
Colors of variables: wff setvar class |
Syntax hints: ( wvd2 40917 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 209 df-an 399 df-vd2 40918 |
This theorem is referenced by: trsspwALT 41158 sspwtr 41161 pwtrVD 41164 pwtrrVD 41165 snssiALTVD 41167 sstrALT2VD 41174 suctrALT2VD 41176 elex2VD 41178 elex22VD 41179 eqsbc3rVD 41180 tpid3gVD 41182 en3lplem1VD 41183 en3lplem2VD 41184 3ornot23VD 41187 orbi1rVD 41188 19.21a3con13vVD 41192 exbirVD 41193 exbiriVD 41194 rspsbc2VD 41195 tratrbVD 41201 syl5impVD 41203 ssralv2VD 41206 imbi12VD 41213 imbi13VD 41214 sbcim2gVD 41215 sbcbiVD 41216 truniALTVD 41218 trintALTVD 41220 onfrALTlem3VD 41227 onfrALTlem2VD 41229 onfrALTlem1VD 41230 relopabVD 41241 19.41rgVD 41242 hbimpgVD 41244 ax6e2eqVD 41247 ax6e2ndeqVD 41249 sb5ALTVD 41253 vk15.4jVD 41254 con3ALTVD 41256 |
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