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| Mirrors > Home > ILE Home > Th. List > exlimddv | Unicode version | ||
| Description: Existential elimination rule of natural deduction. (Contributed by Mario Carneiro, 15-Jun-2016.) |
| Ref | Expression |
|---|---|
| exlimddv.1 |
|
| exlimddv.2 |
|
| Ref | Expression |
|---|---|
| exlimddv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | exlimddv.1 |
. 2
| |
| 2 | exlimddv.2 |
. . . 4
| |
| 3 | 2 | ex 115 |
. . 3
|
| 4 | 3 | exlimdv 1872 |
. 2
|
| 5 | 1, 4 | mpd 13 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-ie2 1547 ax-17 1579 |
| This proof depends on definitions: df-bi 117 |
| This theorem is used by: fvmptdv2 5798 tfrlemi14d 6608 tfrexlem 6609 tfr1onlemres 6624 tfrcllemres 6637 tfrcldm 6638 erref 6831 1dom1el 7111 en2 7116 en2m 7117 xpdom2 7133 dom0 7142 xpen 7149 mapdom1g 7151 phplem4dom 7167 phplem4on 7173 fidceq 7175 dif1en 7187 fin0 7193 fin0or 7194 isinfinf 7205 eqsndc 7214 infm 7215 en2eqpr 7218 fiuni 7317 supelti 7348 djudom 7439 difinfsn 7446 enomnilem 7484 enmkvlem 7507 enwomnilem 7515 exmidfodomrlemim 7559 exmidaclem 7570 cc2lem 7638 cc3 7640 genpml 7890 genpmu 7891 ltexprlemm 7973 ltexprlemfl 7982 ltexprlemfu 7984 suplocsr 8182 axpre-suploc 8275 eqord1 8818 nn1suc 9332 nninfdcex 10689 zsupssdc 10690 seq3f1oleml 10974 zfz1isolem1 11314 eulerth 13040 4sqlem14 13212 4sqlem17 13215 4sqlem18 13216 ennnfonelemim 13373 exmidunben 13375 enctlem 13381 ctiunct 13389 unct 13391 omctfn 13392 omiunct 13393 relelbasov 13474 issubg2m 14051 gsump1 14247 gsumf1ofi 14250 gsummhmfi 14264 gsumressfi 14267 opprringb 14495 lmff 15475 txcn 15501 suplociccreex 15850 suplociccex 15851 wlkvtxiedg 16791 wlkvtxiedgg 16792 wlkreslem 16824 eulerpathum 16927 3dom 17223 subctctexmid 17235 exmidsbthrlem 17273 sbthom 17277 |
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