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| Description: Weak deduction theorem eliminating two hypotheses. This theorem is simpler to use than dedth2v 2380 but requires that each hypothesis has exactly one class variable. See also comments in dedth 2379. |
| Ref | Expression |
|---|---|
| dedth2h.1 |
|
| dedth2h.2 |
|
| dedth2h.3 |
|
| Ref | Expression |
|---|---|
| dedth2h |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dedth2h.1 |
. . . 4
| |
| 2 | 1 | imbi2d 611 |
. . 3
|
| 3 | dedth2h.2 |
. . . 4
| |
| 4 | dedth2h.3 |
. . . 4
| |
| 5 | 3, 4 | dedth 2379 |
. . 3
|
| 6 | 2, 5 | dedth 2379 |
. 2
|
| 7 | 6 | imp 350 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: dedth3h 2384 dedth4h 2385 oawordeu 4179 unfilem3 4532 subclt 5347 negsubt 5362 neg11t 5389 mulneg1t 5431 mul2negt 5434 negdit 5435 addgt0t 5628 addgegt0t 5629 addge0t 5631 ltnegt 5636 lenegt 5638 lesub0t 5659 mulge0t 5660 mul0ort 5673 divclt 5689 divcan1t 5697 divcan2t 5698 divrect 5710 divcan3t 5726 rec11 5742 redivclt 5764 prodgt0t 5790 prodge0t 5792 ltrec 5835 ltrect 5840 lerect 5841 lt2msqt 5842 le2msqt 5859 nnsubt 5912 nn0mulclt 6078 snunioo 6356 sq11t 6568 sqeqort 6588 binom2t 6589 sqrmul 6643 sqrlet 6651 sqr2irrlem2 6663 sqr2irrlem5 6666 readdt 6748 imaddt 6751 cjaddt 6755 cjmult 6756 absmult 6801 absdivt 6803 absltt 6825 abslttOLD 6826 abslet 6827 cjdivt 6835 abssubt 6840 abstrit 6843 bcpasct 6916 expcnvlem5 7174 efaddt 7317 ef1tlub 7332 ef01tlub 7335 absef01tlub 7337 eirr 7343 reeff1 7358 reefiso 7378 sinaddt 7403 cosaddt 7404 nmlno0 8400 ipassi 8445 sii 8458 ajfun 8465 cosh111t 8651 efif1lem6 8669 hvnegdit 8873 hvsubeq0t 8874 normlem9at 8926 normsub0t 8942 norm-iit 8944 norm-iiit 8946 normsubt 8949 normpytht 8951 norm3adift 8959 normpart 8961 polidt 8965 bcst 8987 occllem2 9113 occllem8 9119 pjtht 9172 axpjpjt 9194 pjoc1t 9205 pjomlt 9207 pjoc2t 9210 shsclt 9220 shslejt 9288 shinclt 9289 chinclt 9360 chsscon3t 9361 chlejb1t 9373 chnlet 9375 chdmm1t 9386 spanunt 9406 elspansn2t 9429 h1datomt 9445 cmbr3t 9491 pjoml2t 9494 pjoml3t 9495 cmcmt 9497 cmcm3t 9498 lecmt 9500 osumt 9528 spansnjt 9532 pjadjt 9570 pjaddt 9571 pjsubt 9573 pjmult 9574 pjcht 9579 pj11t 9599 pjnormt 9609 pjpytht 9610 pjnelt 9611 hosubclt 9639 hoaddcomt 9640 ho0subt 9663 honegsubt 9665 eigret 9701 lnopeq0lem2 9869 lnopeqt 9872 lnopuni 9875 lnophm 9881 cvmdt 10200 chrelat2t 10234 cvexcht 10238 mdsymt 10276 abs2sqlet 10308 abs2sqltt 10309 intprd 10403 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-10 964 ax-12 966 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 979 df-sb 1170 df-clab 1462 df-cleq 1467 df-clel 1470 df-if 2358 |