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| Description: Deduce a conjunct from a triple conjunction. |
| Ref | Expression |
|---|---|
| 3simp1d.1 |
|
| Ref | Expression |
|---|---|
| 3simp3d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3simp1d.1 |
. 2
| |
| 2 | 3simp3 790 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: iccsupr 6398 climaddlem3 7116 climmullem8 7127 isumcmpi 7215 ivthlem5 7285 efcnlem2 7420 lmcvg 7932 grplidinv 8045 subgres 8117 nvz 8297 nvtri 8298 pilem2 8672 sineq0 8713 adjt 9857 ghomgrplem 10389 hmeocna 10519 filint 10562 fipfil2 10564 fipfil2OLD 10565 ida 10663 cehm 10721 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-3an 777 |