| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Introduction of a disjunct. Theorem *2.2 of [WhiteheadRussell] p. 104. |
| Ref | Expression |
|---|---|
| orc |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm2.24 95 |
. 2
| |
| 2 | 1 | orrd 250 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: orci 292 orcd 294 orcs 296 pm2.45 299 pm2.67 304 pm2.4 371 pm4.44 372 jaob 467 pm4.43 477 pm5.61 496 pm2.74OLD 633 pm2.75 634 pm2.8 636 orabs 641 pm4.45 702 oibabs 716 biort 806 orbidi 815 pm5.71 820 dedlema 837 dedlemaOLD 838 consensus 844 consensusOLD 845 prlem2 850 dn1 855 3mix1 1045 19.33 1443 19.33b 1444 19.33bOLD 1445 dfsb2 1595 moor 1821 pssn2lpOLD 2710 ssun1 2767 undif3 2854 reuun1 2872 opthpr 3156 iununi 3331 iununiOLD 3332 pwundif 3579 elelsuc 3737 trsuc2 3754 ordssun 3769 ordequn 3770 ltne 6686 ltle 6690 ltpnf 6717 xrltle 6734 xrltne 6740 elnnz 7354 elnn0z 7356 zmulcl 7389 bcpasci 8221 infxpidmlem8 8828 efif1lem5 10088 trsuc2OLD 13793 dfon2lem4 13852 soxp 13950 sltsgn1 14002 sltsgn2 14003 meran1 14235 dissym1 14245 trcrm 14286 anymptr 14289 nxtor 14312 evpexun 14322 subtopsin2 14907 iintlem1 15010 partarelt1 15273 alexsublem3 15439 t1t0 15547 isufil2 15565 fsumlt1 15831 19.33-2 16335 undif3VD 16706 |
| 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 164 df-or 241 |