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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 408 | . . 3 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
3 | 3jcad.2 | . . . 4 ⊢ (𝜑 → (𝜓 → 𝜃)) | |
4 | 3 | imp 408 | . . 3 ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
5 | 3jcad.3 | . . . 4 ⊢ (𝜑 → (𝜓 → 𝜏)) | |
6 | 5 | imp 408 | . . 3 ⊢ ((𝜑 ∧ 𝜓) → 𝜏) |
7 | 2, 4, 6 | 3jca 1129 | . 2 ⊢ ((𝜑 ∧ 𝜓) → (𝜒 ∧ 𝜃 ∧ 𝜏)) |
8 | 7 | ex 414 | 1 ⊢ (𝜑 → (𝜓 → (𝜒 ∧ 𝜃 ∧ 𝜏))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 397 ∧ w3a 1088 |
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 206 df-an 398 df-3an 1090 |
This theorem is referenced by: onfununi 8291 uzm1 12809 ixxssixx 13287 iccid 13318 iccsplit 13411 fzen 13467 lmodprop2d 20428 fbun 23214 hausflim 23355 icoopnst 24325 iocopnst 24326 abelth 25823 usgr2pth 28761 shsvs 30314 cnlnssadj 31071 fnrelpredd 33757 cvmlift2lem10 33970 endofsegid 34723 elicc3 34842 areacirclem1 36216 islvol2aN 38105 alrim3con13v 42907 bgoldbtbndlem4 46090 |
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