| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > ad2ant2lr | GIF version | ||
| Description: Deduction adding two conjuncts to antecedent. (Contributed by NM, 23-Nov-2007.) |
| Ref | Expression |
|---|---|
| ad2ant2.1 | ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
| Ref | Expression |
|---|---|
| ad2ant2lr | ⊢ (((𝜃 ∧ 𝜑) ∧ (𝜓 ∧ 𝜏)) → 𝜒) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ad2ant2.1 | . . 3 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) | |
| 2 | 1 | adantrr 483 | . 2 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜏)) → 𝜒) |
| 3 | 2 | adantll 480 | 1 ⊢ (((𝜃 ∧ 𝜑) ∧ (𝜓 ∧ 𝜏)) → 𝜒) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem is used by: mpteqb 5796 fiunsnnn 7185 addcomnqg 7749 addassnqg 7750 nqtri3or 7764 lt2addnq 7772 lt2mulnq 7773 enq0ref 7801 enq0tr 7802 nqnq0pi 7806 nqpnq0nq 7821 nqnq0a 7822 distrnq0 7827 addassnq0lemcl 7829 ltsrprg 8115 mulcomsrg 8125 mulasssrg 8126 distrsrg 8127 aptisr 8147 mulcnsr 8203 cnegex 8506 sub4 8573 muladd 8713 ltleadd 8776 divdivdivap 9046 divadddivap 9060 ltmul12a 9193 fzrev 10502 facndiv 11193 cncongr1 12900 ghmeql 14123 blbas 15625 cncfmet 15784 ptolemy 16017 |
| Copyright terms: Public domain | W3C validator |