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| Mirrors > Home > ILE Home > Th. List > syl2anb | Unicode version | ||
| Description: A double syllogism inference. (Contributed by NM, 29-Jul-1999.) |
| Ref | Expression |
|---|---|
| syl2anb.1 |
|
| syl2anb.2 |
|
| syl2anb.3 |
|
| Ref | Expression |
|---|---|
| syl2anb |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl2anb.2 |
. 2
| |
| 2 | syl2anb.1 |
. . 3
| |
| 3 | syl2anb.3 |
. . 3
| |
| 4 | 2, 3 | sylanb 284 |
. 2
|
| 5 | 1, 4 | sylan2b 287 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 |
| This theorem is used by: sylancb 422 stdcndc 857 reupick3 3518 difprsnss 3853 trin2 5182 fundif 5428 imadiflem 5463 fnun 5492 fco 5555 f1co 5613 foco 5629 f1oun 5662 f1oco 5665 eqfunfv 5814 ftpg 5902 issmo 6563 tfrlem5 6589 ener 7070 domtr 7076 unen 7109 xpdom2 7133 mapen 7150 pm54.43 7542 axpre-lttrn 8257 axpre-mulgt0 8260 zmulcl 9709 qaddcl 10051 qmulcl 10053 rpaddcl 10095 rpmulcl 10096 rpdivcl 10097 xrltnsym 10212 xrlttri3 10216 ge0addcl 10400 ge0mulcl 10401 ge0xaddcl 10402 expclzaplem 11021 expge0 11033 expge1 11034 hashfacen 11306 qredeu 12900 nn0gcdsq 13005 mul4sq 13202 ballotfilem2 13286 cnovex 15422 iscn2 15426 txuni 15489 txcn 15501 efnnfsumcl 16239 efchtqdvds 16265 lgsne0 16362 mul2sq 16440 |
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