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Mirrors > Home > MPE Home > Th. List > olc | Structured version Visualization version GIF version |
Description: Introduction of a disjunct. Axiom *1.3 of [WhiteheadRussell] p. 96. (Contributed by NM, 30-Aug-1993.) |
Ref | Expression |
---|---|
olc | ⊢ (𝜑 → (𝜓 ∨ 𝜑)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1 6 | . 2 ⊢ (𝜑 → (¬ 𝜓 → 𝜑)) | |
2 | 1 | orrd 393 | 1 ⊢ (𝜑 → (𝜓 ∨ 𝜑)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∨ wo 383 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 197 df-or 385 |
This theorem is referenced by: pm1.4 401 pm2.07 411 pm2.46 413 biorf 420 pm1.5 544 pm2.41 597 jaob 822 pm3.48 878 norbi 904 andi 911 pm4.72 920 consensus 999 dedlemb 1003 anifp 1020 cad1 1555 nfntht 1719 nfntht2 1720 19.33 1812 19.33b 1813 dfsb2 2373 mooran2 2528 undif3OLD 3889 undif4 4035 ordelinelOLD 5826 ordssun 5827 tpres 6466 frxp 7287 omopth2 7664 swoord1 7773 swoord2 7774 rankxplim3 8744 fpwwe2lem12 9463 ltapr 9867 zmulcl 11426 nn0lt2 11440 elnn1uz2 11765 mnflt 11957 mnfltpnf 11960 fzm1 12420 expeq0 12890 nn0o1gt2 15097 prm23lt5 15519 vdwlem9 15693 cshwshashlem1 15802 cshwshash 15811 funcres2c 16561 tsrlemax 17220 odlem1 17954 gexlem1 17994 0top 20787 cmpfi 21211 alexsubALTlem3 21853 dyadmbl 23368 plydivex 24052 scvxcvx 24712 gausslemma2dlem0f 25086 nb3grprlem1 26282 1to3vfriswmgr 27144 frgrwopreg 27187 frgrregorufr 27189 frgrregord13 27254 disjunsn 29407 dfon2lem4 31691 dfrdg4 32058 broutsideof2 32229 lineunray 32254 fwddifnp1 32272 meran1 32410 bj-orim2 32541 bj-currypeirce 32544 bj-peircecurry 32545 bj-falor2 32570 bj-sbsb 32824 bj-unrab 32922 wl-orel12 33294 tsor3 33956 paddclN 35128 lcfl6 36789 ifpid3g 37837 ifpim4 37843 rp-fakeanorass 37858 iunrelexp0 37994 clsk1indlem3 38341 19.33-2 38581 ax6e2ndeq 38775 undif3VD 39118 ax6e2ndeqVD 39145 ax6e2ndeqALT 39167 disjxp1 39238 stoweidlem26 40243 stoweidlem37 40254 fourierswlem 40447 fouriersw 40448 elaa2lem 40450 salexct 40552 sge0z 40592 sfprmdvdsmersenne 41520 nn0o1gt2ALTV 41605 odd2prm2 41627 even3prm2 41628 stgoldbwt 41664 nrhmzr 41873 |
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