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| Mirrors > Home > ILE Home > Th. List > orim12d | GIF version | ||
| Description: Disjoin antecedents and consequents in a deduction. (Contributed by NM, 10-May-1994.) |
| Ref | Expression |
|---|---|
| orim12d.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
| orim12d.2 | ⊢ (𝜑 → (𝜃 → 𝜏)) |
| Ref | Expression |
|---|---|
| orim12d | ⊢ (𝜑 → ((𝜓 ∨ 𝜃) → (𝜒 ∨ 𝜏))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | orim12d.1 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
| 2 | orim12d.2 | . 2 ⊢ (𝜑 → (𝜃 → 𝜏)) | |
| 3 | pm3.48 797 | . 2 ⊢ (((𝜓 → 𝜒) ∧ (𝜃 → 𝜏)) → ((𝜓 ∨ 𝜃) → (𝜒 ∨ 𝜏))) | |
| 4 | 1, 2, 3 | syl2anc 415 | 1 ⊢ (𝜑 → ((𝜓 ∨ 𝜃) → (𝜒 ∨ 𝜏))) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∨ wo 720 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 |
| This proof depends on definitions: df-bi 117 |
| This theorem is used by: orim1d 799 orim2d 800 3orim123d 1361 19.33b2 1682 eqifdc 3677 preq12b 3895 prel12 3896 exmidsssnc 4340 funun 5422 nnsucelsuc 6764 nnaord 6782 nnmord 6790 swoer 6835 fidceq 7171 fin0or 7190 fidcen 7203 enomnilem 7478 exmidomni 7482 fodjuomnilemres 7488 ltsopr 7963 cauappcvgprlemloc 8019 caucvgprlemloc 8042 caucvgprprlemloc 8070 suplocexprlemloc 8088 mulextsr1lem 8147 suplocsrlemb 8173 axpre-suploclemres 8268 reapcotr 8927 apcotr 8936 mulext1 8941 mulext 8943 mul0eqap 9001 peano2z 9682 zeo 9753 uzm1 9955 eluzdc 10012 fzospliti 10587 frec2uzltd 10842 absext 11831 qabsor 11843 maxleast 11981 dvdslelemd 12612 odd2np1lem 12641 odd2np1 12642 isprm6 12927 pythagtrip 13064 pc2dvds 13111 ennnfonelemrnh 13309 aprcotr 14599 znidomb 14995 dedekindeulemloc 15722 suplociccreex 15727 dedekindicclemloc 15731 ivthinclemloc 15744 ivthdichlem 15754 plycj 15864 cos11 15957 lgsdir2lem4 16162 uzdcinzz 16838 bj-charfunr 16848 bj-findis 17017 nninfomnilem 17073 isomninnlem 17091 |
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