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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 5795 tfrlemi14d 6604 tfrexlem 6605 tfr1onlemres 6620 tfrcllemres 6633 tfrcldm 6634 erref 6827 1dom1el 7107 en2 7112 en2m 7113 xpdom2 7129 dom0 7138 xpen 7145 mapdom1g 7147 phplem4dom 7163 phplem4on 7169 fidceq 7171 dif1en 7183 fin0 7189 fin0or 7190 isinfinf 7201 eqsndc 7210 infm 7211 en2eqpr 7214 fiuni 7312 supelti 7342 djudom 7433 difinfsn 7440 enomnilem 7478 enmkvlem 7501 enwomnilem 7509 exmidfodomrlemim 7553 exmidaclem 7564 cc2lem 7632 cc3 7634 genpml 7884 genpmu 7885 ltexprlemm 7967 ltexprlemfl 7976 ltexprlemfu 7978 suplocsr 8176 axpre-suploc 8269 eqord1 8811 nn1suc 9323 nninfdcex 10672 zsupssdc 10673 seq3f1oleml 10953 zfz1isolem1 11292 eulerth 13011 4sqlem14 13183 4sqlem17 13186 4sqlem18 13187 ennnfonelemim 13315 exmidunben 13317 enctlem 13323 ctiunct 13331 unct 13333 omctfn 13334 omiunct 13335 relelbasov 13416 issubg2m 13992 gsump1 14157 gsumf1ofi 14160 gsummhmfi 14164 gsumressfi 14167 opprringb 14386 lmff 15350 txcn 15376 suplociccreex 15725 suplociccex 15726 wlkvtxiedg 16586 wlkvtxiedgg 16587 wlkreslem 16619 eulerpathum 16722 3dom 17018 subctctexmid 17030 exmidsbthrlem 17067 sbthom 17071 |
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