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| Description: A nested modus ponens deduction. |
| Ref | Expression |
|---|---|
| mpid.1 |
|
| mpid.2 |
|
| Ref | Expression |
|---|---|
| mpid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpid.1 |
. . 3
| |
| 2 | 1 | a1d 12 |
. 2
|
| 3 | mpid.2 |
. 2
| |
| 4 | 2, 3 | mpdd 46 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pm2.43a 66 mpan2d 706 reuuniss2 3114 peano5 3241 oeordi 4350 prlem936 5309 negeui 5509 receui 5853 caubndi 7129 clm4lei 7284 climaddlem3 7319 climmullem8 7330 climcaui 7359 caucvglem2 7361 cvgratlem1ALT 7452 cvgratlem1 7455 cvgratlem4 7458 uniopn 7810 islp2 7957 metxplem4 8043 lmle 8171 metelcls 8176 metcnp4 8181 grpid 8282 blocnilem 8719 minveclem27 8831 nmcopexlem6 10235 nmcfnexlem6 10264 hmopidmchi 10359 dmdbr3 10513 dmdbr4 10514 atom1d 10561 infi1 10735 fiiu 10738 fiiu2 10852 osneisi 11018 hmeogrp 11044 top2ind 11050 cnfilca 11088 mtord 11373 finsschain 11425 ordtypelem6 11432 omsubinit 11451 cncls 11473 cnntr 11474 uncomp 11490 hscptsscld 11491 lfinpfin 11574 comppfsc 11578 ist1-2 11603 isufil2 11650 filssufil 11656 fclusnei 11719 fcluscf 11724 flimfnfcls 11727 fcluscnplem 11729 fcluscnp 11730 fcluscomplem 11732 fcluscomp 11733 ufcomp 11734 fclusfnei 11738 filbcmb 11857 heiborlem1 12011 heiborlem28 12038 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-mp 7 |