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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 8812 nn1suc 9325 nninfdcex 10682 zsupssdc 10683 seq3f1oleml 10966 zfz1isolem1 11306 eulerth 13031 4sqlem14 13203 4sqlem17 13206 4sqlem18 13207 ennnfonelemim 13364 exmidunben 13366 enctlem 13372 ctiunct 13380 unct 13382 omctfn 13383 omiunct 13384 relelbasov 13465 issubg2m 14041 gsump1 14206 gsumf1ofi 14209 gsummhmfi 14213 gsumressfi 14216 opprringb 14435 lmff 15399 txcn 15425 suplociccreex 15774 suplociccex 15775 wlkvtxiedg 16684 wlkvtxiedgg 16685 wlkreslem 16717 eulerpathum 16820 3dom 17116 subctctexmid 17128 exmidsbthrlem 17165 sbthom 17169 |
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