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| Description: Deduction conjoining the consequents of two implications. |
| Ref | Expression |
|---|---|
| jcad.1 |
|
| jcad.2 |
|
| Ref | Expression |
|---|---|
| jcad |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | jcad.1 |
. . . 4
| |
| 2 | 1 | imp 277 |
. . 3
|
| 3 | jcad.2 |
. . . 4
| |
| 4 | 3 | imp 277 |
. . 3
|
| 5 | 2, 4 | jca 236 |
. 2
|
| 6 | 5 | exp 291 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: oplem1 578 2eu1 1067 dfwe2 2187 ordunidif 2260 oneqmini 2272 oneqmin 2273 orduniorsuc 2337 funss 2682 funssres 2698 funcnvuni 2706 fnun 2730 fnex 2740 cleqfv 2880 cbvfo 2923 isomin 2937 isofrlem 2939 abianfp 3000 oaordex 3160 oa00 3161 nnarcl 3174 nnaordex 3191 nnawordex 3192 eceqopreq 3249 mapsn 3269 sbthbg 3360 sdomdomtr 3370 ssenen 3399 onomeneq 3414 pssnn 3428 unblem1 3431 unfilem1 3438 fiint 3445 inf0 3457 inf3lem3 3466 inf3lem4 3467 cplem1 3545 karden 3551 aceq5lem5 3562 aceq6b 3565 zornlem4 3606 zornlem6 3608 zornlem7 3609 fodomb 3615 carden 3638 sucdom 3648 cardmin 3666 alephordi 3679 cardinfima 3696 cflim 3704 cfsuc 3709 indpi 3828 genpcl 3905 addclprlem2 3913 ltaddpr 3934 ltexprlem5 3940 suplem1pr 3955 suppsr2 4017 ltlent 4288 add20 4329 ledivt 4405 nominpos 4509 sup2 4510 zaddclt 4590 zmulclt 4596 qnegclt 4643 qbtwnre 4650 infxpidmlem8 4940 infxpidmlem10 4942 ococss 5174 chocuni 5179 occllem6 5185 shlej1t 5356 orthin 5371 spansncol 5473 osumlem4 5533 stm1add 5686 stm1add3 5688 mdbr2 5728 dmdbr2 5733 atcveq0 5746 chrelat2 5758 atexch 5769 atcvat4 5775 mdsymlem3 5778 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 |
| This theorem depends on definitions: df-bi 128 df-an 198 |