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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 7343 djudom 7434 difinfsn 7441 enomnilem 7479 enmkvlem 7502 enwomnilem 7510 exmidfodomrlemim 7554 exmidaclem 7565 cc2lem 7633 cc3 7635 genpml 7885 genpmu 7886 ltexprlemm 7968 ltexprlemfl 7977 ltexprlemfu 7979 suplocsr 8177 axpre-suploc 8270 eqord1 8813 nn1suc 9326 nninfdcex 10683 zsupssdc 10684 seq3f1oleml 10968 zfz1isolem1 11308 eulerth 13034 4sqlem14 13206 4sqlem17 13209 4sqlem18 13210 ennnfonelemim 13367 exmidunben 13369 enctlem 13375 ctiunct 13383 unct 13385 omctfn 13386 omiunct 13387 relelbasov 13468 issubg2m 14045 gsump1 14241 gsumf1ofi 14244 gsummhmfi 14248 gsumressfi 14251 opprringb 14470 lmff 15441 txcn 15467 suplociccreex 15816 suplociccex 15817 wlkvtxiedg 16752 wlkvtxiedgg 16753 wlkreslem 16785 eulerpathum 16888 3dom 17184 subctctexmid 17196 exmidsbthrlem 17233 sbthom 17237 |
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