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Mirrors > Home > MPE Home > Th. List > 3jcad | Structured version Visualization version GIF version |
Description: Deduction conjoining the consequents of three implications. (Contributed by NM, 25-Sep-2005.) |
Ref | Expression |
---|---|
3jcad.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
3jcad.2 | ⊢ (𝜑 → (𝜓 → 𝜃)) |
3jcad.3 | ⊢ (𝜑 → (𝜓 → 𝜏)) |
Ref | Expression |
---|---|
3jcad | ⊢ (𝜑 → (𝜓 → (𝜒 ∧ 𝜃 ∧ 𝜏))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3jcad.1 | . . . 4 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
2 | 1 | imp 409 | . . 3 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
3 | 3jcad.2 | . . . 4 ⊢ (𝜑 → (𝜓 → 𝜃)) | |
4 | 3 | imp 409 | . . 3 ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
5 | 3jcad.3 | . . . 4 ⊢ (𝜑 → (𝜓 → 𝜏)) | |
6 | 5 | imp 409 | . . 3 ⊢ ((𝜑 ∧ 𝜓) → 𝜏) |
7 | 2, 4, 6 | 3jca 1124 | . 2 ⊢ ((𝜑 ∧ 𝜓) → (𝜒 ∧ 𝜃 ∧ 𝜏)) |
8 | 7 | ex 415 | 1 ⊢ (𝜑 → (𝜓 → (𝜒 ∧ 𝜃 ∧ 𝜏))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∧ w3a 1083 |
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 209 df-an 399 df-3an 1085 |
This theorem is referenced by: onfununi 7972 uzm1 12270 ixxssixx 12746 iccid 12777 iccsplit 12865 fzen 12918 lmodprop2d 19690 fbun 22442 hausflim 22583 icoopnst 23537 iocopnst 23538 abelth 25023 usgr2pth 27539 shsvs 29094 cnlnssadj 29851 cvmlift2lem10 32554 endofsegid 33541 elicc3 33660 areacirclem1 34976 islvol2aN 36722 alrim3con13v 40860 bgoldbtbndlem4 43967 |
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