| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > syl122anc | GIF version | ||
| Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.) |
| Ref | Expression |
|---|---|
| sylXanc.1 | ⊢ (𝜑 → 𝜓) |
| sylXanc.2 | ⊢ (𝜑 → 𝜒) |
| sylXanc.3 | ⊢ (𝜑 → 𝜃) |
| sylXanc.4 | ⊢ (𝜑 → 𝜏) |
| sylXanc.5 | ⊢ (𝜑 → 𝜂) |
| syl122anc.6 | ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃) ∧ (𝜏 ∧ 𝜂)) → 𝜁) |
| Ref | Expression |
|---|---|
| syl122anc | ⊢ (𝜑 → 𝜁) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylXanc.1 | . 2 ⊢ (𝜑 → 𝜓) | |
| 2 | sylXanc.2 | . 2 ⊢ (𝜑 → 𝜒) | |
| 3 | sylXanc.3 | . 2 ⊢ (𝜑 → 𝜃) | |
| 4 | sylXanc.4 | . . 3 ⊢ (𝜑 → 𝜏) | |
| 5 | sylXanc.5 | . . 3 ⊢ (𝜑 → 𝜂) | |
| 6 | 4, 5 | jca 306 | . 2 ⊢ (𝜑 → (𝜏 ∧ 𝜂)) |
| 7 | syl122anc.6 | . 2 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃) ∧ (𝜏 ∧ 𝜂)) → 𝜁) | |
| 8 | 1, 2, 3, 6, 7 | syl121anc 1279 | 1 ⊢ (𝜑 → 𝜁) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1005 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 |
| This theorem is referenced by: divdiv32apd 9107 divcanap5d 9108 divcanap7d 9110 divdivap1d 9113 divdivap2d 9114 seq3coll 11239 cau3lem 11824 summodclem2a 12092 prodmodclem2a 12287 prmind2 12842 divnumden 12918 pceulem 13017 pcqmul 13026 pcqdiv 13030 pcexp 13032 pcaddlem 13062 pcbc 13074 abladdsub4 14115 ablpnpcan 14121 lmodvs1 14576 blss2ps 15383 blss2 15384 blssps 15404 blss 15405 xmeter 15413 lgsdi 16022 |
| Copyright terms: Public domain | W3C validator |