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| Description: Deduction introducing a nested embedded antecedent. (The proof was shortened by O'Cat, 15-Jan-2008.) |
| Ref | Expression |
|---|---|
| a1dd.1 |
|
| Ref | Expression |
|---|---|
| a1dd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | a1dd.1 |
. 2
| |
| 2 | ax-1 4 |
. 2
| |
| 3 | 1, 2 | syl6 25 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: adantlrr 435 adantrlr 437 adantrrl 438 dedlem0a 834 prlem1OLD 849 meredith 1200 ee323 1280 a12stdy4 1766 sotri 4315 xpexr 4352 omordi 5245 omwordi 5250 odi 5258 omass 5259 oen0 5261 oewordi 5266 oewordri 5267 omsublim 5887 axpowndlem3 6103 suppsr2 6375 lemul1a 7019 lemul1aOLD 7020 xrsupsslem 7285 xrinfmsslem 7286 xrub 7289 supxrunb1 7298 supxrunb2 7299 expge0 7833 expwordi 7848 facdiv 8194 facwordi 8196 faclbnd 8197 bccl2 8223 climconsti 8354 climconst2 8355 caucvglem2 8418 ser1clim0 8433 ser1cmp2i 8437 isum1p 8467 islp2 9023 metequiv 9158 bcthlem18 9294 0cnop 11540 0cnfn 11541 dmdbr5ati 11994 dfon2lem9 13857 merco2 14203 unpde2eg22 14407 preotr2 14576 prltub 14602 multinv 14771 truni3 14851 stoig2b 14906 conttnf 14944 cntrsetlem 14999 dualcat2lem 15129 cmpassoh 15150 idsubfun 15206 cptarc 15242 a1i14 15328 a1i24 15329 a1i34 15330 finsschain 15373 omsublimOLD 15396 compsub 15431 compfipin0 15436 alexsublem2 15438 alexsublem3 15439 topmtcl 15525 fnejoin1 15530 fnejoin2 15531 ist1-3 15543 filcon 15580 fcluscf 15612 filnetlem1 15640 fimax 15746 fisupg 15748 frfi 15771 filbcmb 15776 vd13 16502 vd23 16503 ee03 16609 ee23an 16625 ee32 16627 ee32an 16629 ee123 16631 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-mp 7 |