| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > 3anim123i | GIF version | ||
| Description: Join antecedents and consequents with conjunction. (Contributed by NM, 8-Apr-1994.) |
| Ref | Expression |
|---|---|
| 3anim123i.1 | ⊢ (𝜑 → 𝜓) |
| 3anim123i.2 | ⊢ (𝜒 → 𝜃) |
| 3anim123i.3 | ⊢ (𝜏 → 𝜂) |
| Ref | Expression |
|---|---|
| 3anim123i | ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜏) → (𝜓 ∧ 𝜃 ∧ 𝜂)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3anim123i.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 2 | 1 | 3ad2ant1 1049 | . 2 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜏) → 𝜓) |
| 3 | 3anim123i.2 | . . 3 ⊢ (𝜒 → 𝜃) | |
| 4 | 3 | 3ad2ant2 1050 | . 2 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜏) → 𝜃) |
| 5 | 3anim123i.3 | . . 3 ⊢ (𝜏 → 𝜂) | |
| 6 | 5 | 3ad2ant3 1051 | . 2 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜏) → 𝜂) |
| 7 | 2, 4, 6 | 3jca 1208 | 1 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜏) → (𝜓 ∧ 𝜃 ∧ 𝜂)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1009 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 df-3an 1011 |
| This theorem is used by: 3anim1i 1216 3anim2i 1217 3anim3i 1218 syl3an 1320 syl3anl 1329 spc3egv 2917 spc3gv 2918 eloprabga 6178 le2tri3i 8441 fzmmmeqm 10481 elfz1b 10514 elfz0fzfz0 10550 elfzmlbp 10556 elfzo1 10620 flltdivnn0lt 10760 pfxeq 11490 swrdswrd 11499 swrdccat 11529 modmulconst 12615 nndvdslegcd 12767 lgsmulsqcoprm 16370 |
| Copyright terms: Public domain | W3C validator |