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| Description: Eliminate a hypothesis
containing class variable |
| Ref | Expression |
|---|---|
| elimhyp.1 |
|
| elimhyp.2 |
|
| elimhyp.3 |
|
| Ref | Expression |
|---|---|
| elimhyp |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iftrue 2989 |
. . . . 5
| |
| 2 | 1 | eqcomd 1889 |
. . . 4
|
| 3 | elimhyp.1 |
. . . 4
| |
| 4 | 2, 3 | syl 12 |
. . 3
|
| 5 | 4 | ibi 652 |
. 2
|
| 6 | elimhyp.3 |
. . 3
| |
| 7 | iffalse 2991 |
. . . . 5
| |
| 8 | 7 | eqcomd 1889 |
. . . 4
|
| 9 | elimhyp.2 |
. . . 4
| |
| 10 | 8, 9 | syl 12 |
. . 3
|
| 11 | 6, 10 | mpbii 210 |
. 2
|
| 12 | 5, 11 | pm2.61i 140 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: elimel 3025 elimf 4561 oeoa 5272 oeoe 5274 limensuc 5601 elimne0 6469 div11 6941 recrec 6952 elimgt0 6987 elimge0 6988 sqrlem20 7942 sqrlem21 7943 sqrlem22 7944 caucvg3 8428 expcnvlem5 8492 geolim 8499 geolim1 8501 efseq1ex 8568 ef1tlubi 8644 absef01tlubi 8650 eflegeo 8681 efm1legeo 8683 efcnlem4 8687 reeff1olem2 8690 bcth 9310 vacnlem4 9670 siilem2 9853 erdisj2 10164 normlem7tALT 10618 hhsssh 10772 occl 10815 shintcl 10927 chintcl 10929 spanun 11101 elunop2 11575 lnophm 11581 nmbdfnlb 11616 hmopidmch 11725 hmopidmpj 11726 irred 11967 erthdmg 15730 fimaxg 15747 supclt 15762 supubt 15763 supeut 15767 fsumltisumi 15823 fsumleisumi 15826 bfplem11 16008 bfp 16009 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-10 1308 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-if 2983 |