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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 2789 pwssun 2816 ordsucsssuc 3064 ordsucun 3072 fnun 3580 f1oun 3691 th3qlem1 4298 ener 4391 domtr 4396 undom 4418 xpdom2 4422 mapen 4471 abfii4 4538 pm54.43 4546 suc11reg 4577 kmlem9 4745 zorn 4769 mulclpi 4993 pre-axmulgt0 5262 xrltnsymt 5523 xrlttrit 5525 lt2add 5570 le2add 5571 addge0 5573 add20 5576 mulge0 5581 addgtge0t 5622 mulnzcnopr 5671 divmul24t 5739 lt2msq 5829 nn0addclt 6067 nn0ltp1let 6074 nn0subt 6108 zaddclt 6112 zmulclt 6127 zltp1let 6128 qaddclt 6207 qmulclt 6209 rpaddclt 6227 rpmulclt 6228 rpdivclt 6229 nnwo 6390 cvganz 6861 bccl2t 6909 isumnn0nn 7142 xpnnen 7441 znnen 7445 subbas 7586 tgioolem 7853 ablsn 8062 ablmul 8068 ringsn 8100 pslem 8573 efif1lem7 8651 hsn0elch 9041 projlem4 9105 5oalem6 9521 hmopidmch 9990 superpos 10189 ghomsn 10293 infi1 10347 ficli 10368 oefil2 10441 filintf 10443 fgsb 10444 fgsb2 10449 |
| 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 |