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| Description: A double syllogism inference. |
| Ref | Expression |
|---|---|
| sylan.1 |
|
| syl2anb.2 |
|
| syl2anb.3 |
|
| Ref | Expression |
|---|---|
| syl2anb |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylan.1 |
. . 3
| |
| 2 | syl2anb.2 |
. . 3
| |
| 3 | 1, 2 | sylanb 449 |
. 2
|
| 4 | syl2anb.3 |
. 2
| |
| 5 | 3, 4 | sylan2b 452 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: sylancb 473 opth2 2800 pwssun 2827 ordsucsssuc 3074 ordsucun 3082 fnun 3594 f1oun 3706 th3qlem1 4314 ener 4410 domtr 4415 undom 4438 xpdom2 4442 mapen 4491 abfii4OLD 4564 pm54.43 4572 suc11reg 4605 kmlem9 4773 zorn 4797 mulclpi 5021 pre-axmulgt0 5290 xrltnsymt 5550 xrlttrit 5552 lt2add 5596 le2add 5597 addge0 5599 add20 5602 mulge0 5607 addgtge0t 5649 mulnzcnopr 5702 divmul24t 5783 lt2msq 5881 nn0addclt 6120 nn0ltp1let 6127 nn0subt 6161 zaddclt 6165 zmulclt 6180 zltp1let 6181 qaddclt 6269 qmulclt 6271 rpaddclt 6290 rpmulclt 6291 rpdivclt 6292 nnwo 6458 cvganz 6924 bccl2t 6971 isumnn0nn 7207 xpnnen 7499 subbasOLD 7644 tgioolem 7914 ablsn 8125 ablmul 8131 ringsn 8163 pslem 8647 efif1lem7 8736 hsn0elch 9120 projlem4 9189 5oalem6 9604 hmopidmch 10079 superpos 10281 ghomsn 10388 infi1 10447 infi1OLD 10448 ficli 10472 ficliOLD 10473 oefil2 10567 filintf 10569 fgsb 10570 fgsbOLD 10571 fgsb2 10580 rcfpfillem4 10591 rcfpfillem4OLD 10592 |
| 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 |